Alternatives to Actiinvoice

Our billing software is designed to help you grow your business. Why stop billing when the internet isn't available? Our billing software works offline and does not require an internet connection. It also features the best multi-core business engine and billing features. Hitech BillSoft has more than 20 multi-size GST/NonGST invoice templates in various sizes, including A4, A5, PoS / Thermal receipts. You can now create beautiful invoices. It is difficult to imagine billing today without scanning barcodes. Our billing software supports all compatible plug-n-play barcode scanners on the market. This allows for quick and hassle-free billing and inventory management. Unique feature that allows users to generate invoices in just a few clicks This feature reduces operator workload by up 43% during rush hour. Our billing software is fully compliant with GST regulations. Users can generate multiple-rate and multi-item invoices.

Vyapar is a simple GST Billing Software that small businesses can use. Vyapar App allows you to create and share invoices on WhatsApp, manage inventory, make estimates, generate GSTR reports and track unpaid invoices. You can also send reminders for payments, collect payments online with UPI payments, and track payments. This App is accessible to anyone, regardless of their educational background. Vyapar App also has features such as business expense tracking, daily purchase record, and profit and loss reports. It's the perfect E-Billing software for small businesses and retail shops. Vyapar App is available in both a desktop and mobile version. The Mobile App is free and the Desktop App has a 15-day free trial. Vyapar App allows you to manage your business without any accounting knowledge.

Horizon ERP is an easy-to-use GST billing and accounting system for small businesses. It is rightfully the best billing and accounting software for small businesses in India. Horizon Technology Solutions has a decade of ERP experience. We have invested our expertise in bringing you the best invoicing and billing software. It is easy to use and simple. It has a simple user interface that makes it easy to execute tasks. It is easy for users to adapt. Report generation is fast. It is ideal for Manufacturing, Distribution, and Retail. Beautiful invoice formats are used to generate GST (goods & service tax) invoices. The goal was to reduce the time spent on back-end business processes. It is easy to do things like invoicing, billing, accounting, inventory. This allows users to concentrate on revenue-generating activities. The software includes sector-specific utilities. It is suitable for distribution, retail, and manufacturing. It is ready to use.

Sleek Bill Online was created to help small and medium businesses consolidate their position in the market as competent, professional entities that provide top-notch, high-quality services. We have combined our 9+ year experience in creating billing software that is simple to use and provides seamless invoicing for all users. It is our mission to help business owners streamline their billing processes and allow them to spend more time on their business and making money, instead of wasting it with manual billing. Our goal is to create simple, user-friendly billing software that is easy to use without any prior training.

Swipe allows you to: 1. Create invoices, purchases, and quotations in less than 10 second. 2. Choose multiple invoice templates to customize easily 3. Share invoices via WhatsApp and Email 4. Track payment status and collect payments using UPI codes (QR codes) and payment gateway 5. Create GST, Profit and Loss, and more than 30 reports for instant tax filing. Monthly/quarterly 6. Manage inventory in real time. 7. Record your expenses easily. 8. View business metrics and Analytics 9. Setup Online Store within 5 Minutes 10. Add multiple users & roles access. 11. Create E-way Bills on the Go 12. Create E-Invoices with One Click 13. Create Export invoices 14. SMS campaigns 15. Multilingual Customer Support (Assamese, English, Hindi, Tamil, Telugu, Kannada, Bengali, Malayalam, Gujarati) 16. Upload unlimited Products, Vendors & Customers in bulk. 17. Barco allows you to create recurring invoices, price lists and POS billing.

Treflo is an accounting web app that can help you with all your needs. It has many features, including the ability to generate GST invoices, manage purchase and sales orders, GST filing and inventory control.

You can find the best accounting software and billing software for your business here if you're having trouble finding the right software. SigmaITSoftware offers GST billing software in Lucknow for a very affordable price. GST (Goods & Services Tax) - This web-based accounting software/application allows you to create and manage sales, purchases, and invoices of all types. It has a simple interface that allows you to create an invoice in just a few clicks. You can customize the invoice format or invoice to suit your needs. It can be used by multiple users and provides ready-made reports. This software allows you create and edit invoices and displays various useful reports in the tax collection report and VAT collection report. Accounting Billing Software makes it easy for you to create and view invoices from anywhere.

Zed Billing is a software that helps business owners keep track of their invoices, taxes and accounts. Our Billing billing software is the easiest billing software to use. It allows you to print, navigate and email with just 3-4 clicks.

Moonlit's inventory and billing software is robust and flexible. It can help you go paperless, reduce costs and delays by avoiding paper sheets or paper logs, and increase productivity and quality with precision. Technology should make your life easier, increase productivity, and reduce costs. This is why we created this system to simplify your life and increase your business's growth. Moonlit vendor management allows you to quickly organize vendor information, analyze vendor costs, and keep track vendor performance. All the information you need to improve your purchasing. Moonlit billing and the inventory management system allow you to create invoices quickly and easily using real-time inventory data. Automatic inventory updates for item billing. Email invoices as PDFs for customer records. Easy and quick return-item invoice generation Reduce costs, save time, and increase efficiency. With the new GST, you can ensure that your invoicing/billing is compliant.

Smaket, a cloud-based accounting and billing software, helps small businesses in India comply with GST, manage inventory, collect payments, and analyze business reports. Smaket lets users create invoices quickly with GST, track cashflow, monitor stock levels and get expiry notifications. Smaket offers a free trial on mobile and desktop platforms, as well as a free app. Smaket allows users to access their business data from anywhere and at any time. Smaket offers a simple, secure, and quick way to manage GST.

Zoho Books is the best web-based accounting software for small businesses. The platform was designed to help you manage your finances, get you tax ready, automate business workflows, and collaborate across departments. The platform includes many useful features, such as the ability to generate financial reports and knowing your Sales Tax liability. Zoho Books is an online accounting tool that makes it easy to manage your business' accounting. Zoho Books features include invoices and expense tracking, purchase orders, sales and purchase orders, contact management and project time tracking. Organizations can automate repetitive activities such as billing reminders, billing, auto-charge, and thank you notes. Zoho Books allows users to track inventory in real time.

We have decades of engineering expertise and business management to create one-stop solutions that meet all your business needs. ValueSoft is more than just software. It's a masterpiece. We have created real artwork to solve business problems. Our goal is to reduce the stress and workload of our customers so they can spend their time growing their business and balancing their personal lives. We believe that happy customers are the key to the promotion and advertisement of a brand. Our focus is on customer service and software development for our products. We believe that economic growth is only possible if there is a high velocity of money. Our technologies will help people transact more easily and simplify commerce around the world.

PlayStore now offers YFobs - Your own digital invoicing platform. You can manage your invoices from anywhere and anytime. Create customized secure invoices. All your documents in one place. Manage GST Bills and Expenses. Simple, powerful and flexible GST billing/invoicing platform designed for everyone. YFOBS is a billing, invoicing and tracking software that simplifies all financial activities. Its intuitive design and simple navigation make it easy to use and help you save time. It is easy to use and has all the capabilities necessary for any company, regardless of its size. All Enterprise Verticals Can Benefit From Our Invoicing Solution. The online invoicing system can be used to invoice a wide range of enterprise verticals. Digital Agencies. YFobs digital bills can be used to improve client confinement and maintain a healthy cash flow. Get your digital bills created today. Restaurants and Hotels

UniBillApp, India's best GST Billing Software, manages sales, purchases and expenses. This software is easy to use for online billing, user management and inventory management.

EZY Mandi accounting software gives you complete confidence in the work you do. Its success is due to its ease, flexibility, speed up gradation, and most importantly, the ability to create your own manual style accounts. It was developed in a short time, i.e. It was widely adopted by most users in April 2014. EZY Mandi's billing system is extremely advanced but easy to use. We believe customers spend more time billing so we focus on ways to make billing easier and less complicated. Prefixed sales, item searching, Challan /order are all incomparable. EZY Mandi was designed for businessmen with less computer knowledge so that they can use this software easily. There is no need to hire qualified accountants/staff.

Account app that is simple, sleek, and easy to use for all your business needs. Digital India's only GST-compliant accounting app. All the business information you need in one app. All your business data can be carried with you wherever you go. With just three clicks, you can create sales invoices. Simple dashboard to manage all customers and vendors, as well as their payments. Simple expense tracking feature allows you to track where your hard-earned money is spent. All business reports, including sales, purchase, payments and low stock, can be accessed quickly and downloaded. Manage stock information, such as price, GST tax and current stock. It provides a Dashboard that allows you to visualize your data and identify areas of concern and opportunities. You can quickly customize invoices to include fields such as HSN/SAC codes and GSTIN.

Modern Bill is a GST Accounting Software that allows small businesses to create sales invoices, stock management, and GST returns. It is easy to use and does not require any prior knowledge of accounting or computers. The entry screens are similar to filling in the blanks. Users simply need to enter the data into the boxes provided. It is easy to use, even for those with no knowledge of computers or accounts. Our custom template makes it easy to create your delivery note/challan. You don't want to miss a business opportunity. Create a quote for clients from your laptop. Direct transfer to Karigars allows you to manage your sales order and advance payments. All purchase orders and raw materials can be managed, with direct transfer to the purchase invoice. Modern Bill meets all the needs of modern business tycoons.

SaralBill is an online software that allows you to easily create invoices, inventory, and accounting software. It includes all the necessary features for every business, including sales, purchase, receipts, payments, sales return, purchase return, payable, receivable, stock management, and receivable. It also provides many useful reports. Every bill of sale or purchase must be entered on time under the GST Act. This is because every month, the return will be submitted. We have tried to create a system that is easy to use and requires very little computer knowledge. It can be used to manage accounting bills efficiently. You don't need to have any previous accounting package knowledge. SaralBill software makes it easy to access your GST reports.

Swipez products help your business collect payments faster. Our products automate business operations and can scale to meet your business's needs. Automate your invoicing, payment collection, bulk pay outs and GST filing to streamline your business operations. All your company expenses can be managed from one dashboard. Manage all your company payments, including vendors, franchises, and all beneficiaries. Keep track of all expenses! Easy-to-use inventory management software that allows you to manage all your products' stocks. Our billing software, which is fully integrated with inventory management, helps you keep track of stock availability and new stock. You can organize payments directly from your bank account. You can see all payments made to your business contacts. Split payments between multiple parties. Split payments between multiple parties are possible.

Gen GST software is a tax return filling and billing software. The GST software can be used online or on a desktop computer. The software allows unlimited client return filing. Gen GST is built with highly secured java languages. The software supports return filings such as GSTR 1,GSTR 3,B, GSTR 9,GSTR9A, GSTR9C, GSTR 9C, GSTR 9A, GSTR9C, etc. Additionally, Gen GST software can be downloaded as GST Saas software that works on the cloud. Gen GST Software Return Filing Features Import-Export Facilities GST Electronic Waybill Sale & Purchase invoice SMS/Email Facility to Clients Credit

BharatBills is a simple, efficient, and fastest growing GST billing software. It can be used by all types of Small and Medium businesses. It has been specifically designed to accommodate new GST changes, making it an affordable billing software with GST. BharatBills is a trusted GST invoicing software. It allows you to generate and process GST-compliant bills with accurate tax calculations and automated processing. You don't need to worry about creating GST bills any more. It also has a daily backup function that ensures data security. BharatBills, a cloud-based GST billing software, can help you grow your business. One-stop GST Invoicing Software that allows you to create GST invoices and view your GST reports instantly. BharatBills, a billing software that supports GST, offers unlimited phone and email support to both trial and paid users. BharatBills can help you increase your sales by creating GST invoices.

Wiseinvoice provides a complete solution to your billing needs. Wiseinvoice offers all the features you need to manage your billing online, from sending reminders for payment to managing invoices to getting the outstanding reports. Wiseinvoice helps you to see the state of your business. Generate reports for customer balances and bad debts, expenses and purchases, outstanding payments, etc. It will generate sales reports so you can see which products are selling best. Wiseinvoice will keep track of all taxes collected and paid using Tax reports. Wiseinvoice, a simple and efficient GST Billing Software specifically designed for India, is easy to use. Wiseinvoice provides a complete billing solution to your business. Wiseinvoice offers all the features you need to manage your billing online, including sending reminders for payment and generating outstanding reports. You can generate reports for customer balances to help you get a better picture of your business.

Empower ERP is India’s best online and lifetime-free GST billing software. It was specifically designed for different industries to create GST invoices, manage stocks, and create a quote - Performa payment, expanse entries into account module. Empower ERP allows users to manage follow-up sales inquiries and keep track of client service. Empower ERP is responsive to all devices. Access the Empower ERP website from any device, including a mobile, tablet, laptop or desktop. You can also access it with your team members.

All documents are beautiful and comply with GST regulations. GoGSTBill allows you to create unlimited products and manage all stock in one click. Our interface is simple to create a GST compliant quote and proforma invoice. With professional templates and a professional design, you can create credit and debit notes to any invoice. With just one click, you can create an account for your staff and grant them limited permission. You can print your invoice on any paper size you prefer, full page or half-page. You can print the ready-to-use invoice template by choosing the invoice design you like. Just a few clicks and you can send your invoice, quotation, or other document via email. With just one click, you can export your customer, product and invoice data to an excel sheet. Multi-currency allows you to create invoices in any currency to be able to serve international clients.

This report is suitable for businesses that use an ERP or accounting system without GST reporting or electronic filing functionality. If your system doesn't have GST, or a current tax system, you can create a GST report for electronic filing. If you are using customised or ready-made software, upload tax invoices in XML and CSV file formats for eFiling. The Indian GST regime will be in effect as of July 2017. Every taxpayer must report GST collected and paid at minimum three times per month if their annual turnover is greater than Rs.5 million, and quarterly if their annual turnover is less than Rs.5 million. It will be difficult for businesses to comply with the state-based registration and cost center for state-based assessment. The current system is not designed to support digitalization and to match data.

Tangentia e-Invoicing Gateway is an integrated approach to meeting the new e-Invoicing Goods & Services Tax (GST), compliance requirements.

GST was introduced to India in the hope of simplifying the many indirect taxes. Simplifying the tax system allowed for intelligent software to be introduced that can increase productivity for tax professionals and business owners.

Zoho Invoice was created by Zoho, a veteran in the software industry. The goal was to create an intuitive, efficient platform that provides owners, accountants, and administrators with an easy-to use solution. The app is feature-rich and allows for production tracking, hours, and final estimates in multiple currencies. Online invoicing allows you to quickly set up Subscription Billing or recurring billing.

Imprezz invoices are digital, personalized, compliant with GST, and interactive. Imprezz, the most popular finance and invoicing software, allows small businesses and the self-employed to create invoices, quotes, and reminders in the cloud. It's intuitive, fast, and easy. Imprezz invoices are digital, personalized, compliant with GST, interactive, and interoperable. Imprezz, the most popular finance and invoicing software, allows small businesses and the self-employed to create invoices, quotes, and reminders in the cloud. It's intuitive, easy, and takes only seconds. Just a few clicks and you can convert your quotations into invoices. Get paid faster GST legal templates make it easy to manage your invoices. We take care of the rest. You are safe! We are only a click away. Chat with us or send us an e-mail. We are available 24/7, and we offer a free service!

Rounded is an accounting and invoicing software that is specifically designed for sole traders and freelancers. Send invoices and quotes Online payment Keep track of time and expenses Track GST for BAS Prepare for tax time

You need the right information to grow your business and make the right business decisions. TallyPrime's new features, such as "Go to" and "customizable reporting", allow you to discover and examine reports in a way that suits you. TallyPrime allows you to manage multiple companies and incrementally increase features such as multiple go downs, multi-currency and order process. This allows you to eliminate complexities and allow you to focus on business growth. Payable management and bills receivables are quick and easy to manage. This allows you to get paid faster and helps to manage payment timelines. Tally also facilitates efficient stock movement, optimizing cash flow. The insightful reports at blink-of-eye help you make more informed decisions and plan for the growth of your company.

You can track inventory with features like low stock reminders, item category & stock adjustment. All business transactions, including sales, purchases and quotations, should be recorded. Send payment reminders and collect digitally through UPI. Increase sales by creating a custom mobile app or website for your business. You can manage your business with over 10 reports such as GST reports, P&L reports, stock & party leger reports. Share your business cards and greetings, along with your logo, to create your professional identity. Faster billing with the Counter system in My BillBook mobile application. Get a complete overview and go digital. Easy inventory management and support for thermoprinting. Send reminders and payments to your customers. Low stock alerts and categories to help you manage inventory better Customers can send personalized greeting cards featuring your company branding.

Orevo is an online invoice and automatic GST filing portal. It is designed to simplify the business process for small-scale manufacturers and entrepreneurs. Prepogo pvt ltd designed and developed Orevo. Prepogo pvt ltd can be found in Gurgao Sector 5 Haryana, India. Online bill generation, online invoice storage. Online GSTR 1 outward supply sheets can be generated. You can also download the Excel file with invoice data. Keep track of your expenses in excel sheets and keep images of purchase bills. Convert quotation to bill, make a quotation GPS-based employees attendance, employees' salary, GPS geo-field reporting by employees. Support and training are free. Please enter basic information about your company such as name, address, GSTIN and Phonenumber. All of this information will be displayed on your invoice. Start your 14-day free trial, during which you can create unlimited bills.

India's fastest-growing Accounting Software & App for MSME Businesses. Zybra Software & App is simple and easy to use. Track sales, create and send invoices, track inventory, and check your business at any time. Our experts are available to assist you 24x7. We are just a phone call away. You can also reach us by phone or email.

The design is simple to understand, regardless of GST experience. Upload Client data using Excel templates to save time. Automated GST return filing with no errors Only software on the market that is 100% focused on CA's, Tax Professionals and Advocates. It is easy to reconcile the Client's Purchase Invoice with the Dealer's Sales invoice and generate meaningful reports. Built-in capabilities to validate end-to-end data. Generate bulk and authentic EInvoices. It's fast! Our powerful auto-validation engines can validate any document, including invoices and debit/credit notes. This software saves time and allows you to print eInvoices with QR Codes and IRN. It is easy to generate, cancel, print, and extend accurate bills with just a click.

We have created a WhatsApp integration using cutting-edge technology. This will increase brand recognition. You can offer discounts and multiple schemes to retain customers and grow your sales. Send them SMS offers, coupons, loyalty points, membership cards, and create coupons. It automatically locates customers who have not visited your store in the last 60 days. The powerful android app scans your stock using barcodes and doesn't bring them up to the desktop. This allows for large stock auditing in hours and generates a mismatched stock reports in your hand. Start delivering your customers within 3 days by putting your business online using your own website and app. Every customer is assigned a WhatsApp group. Humans respond quickly in less than a minute! Compared to traditional phone support, this saves 200%.

GarmenTech has been developed for Indian garment manufacturers. India is the second largest garment manufacturing country in the world. However, most of these manufacturers are small and medium-sized businesses. We developed a suitable GST accounting software for garments industry after the implementation of GST. GarmenTech GST accounting software was developed to reduce paperwork and simplify accounting. GarmenTech GST software has been developed for Indian ready-made garments producers. All the GST accounting features are included. The GST rate for the garment industry is dependent on its price. It is difficult to calculate different GST rates depending on price. GarmenTech solved this problem with automation. The net price after discount will be used to calculate the tax rate. Our software will automatically calculate the tax rate based on the net price after discount.

CaptainBiz GST Billing Software is a powerful, all-in-one software that allows you to quickly and easily create invoices.

Munim, a cloud-based software in India, offers all accounting and taxation services in one place. It is a simple and reliable software for all types businesses.

Hisab makes sending professional invoices to your customers via sms/email easy. Hisab will help you save time and get paid quicker. Keep your contact details up to date. Keep up to date with the transactions of your contacts. Pay multiple transactions in one payment, whether it is payable or receivable. Serial numbers can be used to track individual units in your inventory of high-cost products. You can also easily keep track of sales and purchases for warranty claims. Send your customers invoices in their currency. Hisab can keep track of exchange rate fluctuations and any gains or loss resulting from payments made in the currency of your customers. You can create transactions in foreign currency, but you should keep your accounting in your own currency.

BUSY Accounting Software offers four editions to meet the varied business needs of small and medium businesses. Express edition is 100% free accounting software that has limited but sufficient functionality for those who are just starting out in their business and have minimal operational requirements. Basic includes a minimal set of features that include Invoicing, Accounting and Basic Inventory. This program is for small businesses and shopkeepers who need to invoicing, bookkeeping, and compliance. The Standard edition includes a variety of advanced features, and is intended for medium-sized businesses. It includes all the features of Basic edition, plus many other business management features such as Order/Quotation/ Challan Management and Multiple Units of Items. Enterprise is for larger companies that have multiple branches/locations.

ProfitBooks is an online accounting software that is easy to use. It makes it easy to create professional invoices and track inventory. ProfitBooks is available for a single user at no cost. ProfitBooks allows you to keep track of your business finances without having to have any accounting knowledge. ProfitBooks is an online accounting software that is fast growing and easy to use. It allows you to create beautiful invoices, track expenses, and manage inventory without having to have any accounting knowledge. It allows you to easily share transaction data with your accountant. You can easily see what is happening in your business and make better decisions.

Winman CA-ERP, India's No.1 CA software suite, is available. This bundle includes software such as income tax software, balance sheets software, and audit report software. The software is rated the best income tax software by chartered accountants because it is specifically designed to revolutionize the Income Tax computation, tax return preparation and tax filing procedures. It also prepares balance sheets and other functions for CA office in India. Income tax software includes ITR software, income tax computation software, and income tax efiling software. Different types of Assessee Status can be enabled in income tax software. CA-ERP's data entry is easy and intuitive due to the use of a single window and minimal key operations. Because tax calculation and data entry are both in the same table there is no need to navigate through multiple windows. This avoids confusion when entering data.

Proffitify's free accounting and GST billing software is unique among our competitors because it has no restrictions. While our competition offers some features free of charge, they have set restrictions or set limitations on their Free accounts or do not offer all the features available to their Pro accounts. If you rely too heavily on the software in your business, this can lead to costly and counterproductive long-term. We offer Inventory Management, a barcode generator, free invoicing software, as well as Inventory Management.

As the leader in telecommunications billing software and tax compliance, we serve Telcos, MSPs, VoIP providers, WISPs, & CLECs. SBS has helped competitive telecom companies grow & maintain profitability since 1989. IntegriBill lets telecommunications companies with multiple carriers, products, and switch types produce one convergent invoice. We'll make sure your invoices are always in compliance with taxing authorities, including the assurance that your clients aren’t overpaying for telecom taxes. We handle: * Regulatory and Tax Calculation * Tax Exemption Tracking * Tax Mapping Assistance * 499 Reporting Assistance * Traffic Studies * Commission module (Flat rate, % Gross, or % Net) * Hosted Agent Portal * Collections Module * Integrated ACH/Credit Card processing * Hosted End User Portal * Quickbooks Online Integration * RESTful API * Call Detail Jurisdictionalization & Rating Most of our clients have been with us for 10+ yrs. It's thanks to our first-class team that we have high retention rate. Our development team spends at least a year in the operations department before settling into their coding duties. We ensure that our ops team has current knowledge of tax and compliance regulations.

The best accounting software for small businesses. Kuber makes it easy to create invoices and manage your business in a snap. Everyone wants to grow their business with success. This is possible with proper administration and time management. With the help of powerful software, you can accomplish all your tasks quickly. The best small business accounting software can help you manage your work efficiently and eliminate the need for a physical accounting book. Technology is changing at an alarming rate and it is essential to stay current. Accounting software makes it easy to manage all your tasks from anywhere you are. This software saves time and eliminates the need to keep all your accounting information on paper.

We offer Accounting Solutions to many business types. We use the latest technology and have received many reviews from customers, accountants, and other business types. Our accounting software is built with the most recent and robust technologies that will allow for smooth accounting and transaction management within it. Our technical team is always developing new cloud solutions such as sales. Miracle Accounting Software is the most user-friendly solution. They offer a free demo and complete training. We promise to provide comfortability and peace-of-mind by offering easy-to use and flexible solutions for technical and non-technical users.

It takes only minutes and you are ready to go. GSTHero automatically detects small data entry errors and assists tax professionals to file GST returns with almost 100% accuracy. GSTHero has over 100 validations, so there are no errors in your GST filing process. You can generate invoices individually or in bulk. It will integrate seamlessly with your existing ERP. You can save hours on document signing. The easiest and most secure way to authorize documents. Use templates to auto-sign documents whenever you need it.

Partum Software offers advanced GST invoicing and billing software in India. Our GST billing software automates, streamlines and simplifies your billing and invoice processes. You can choose from different billing methods and customize invoicing templates. Partum Software supports a variety of billing models including one-time billing and recurring billing. It also supports subscription billing, usage based billing, hybrid billing and dynamic billing. Inventory management can be used by small and large businesses to track the flow of goods. Inventory management techniques are many, and choosing the right one will help you provide the correct goods, at the right time, place and amount. Try our demo for free today!

The fastest and easiest way to e-file GST in India