Giving up on what? Make yourself clear. You seem to be spreading FUD.

The fact that you can now develop and run your .Net programs on Linux distributions using Mono, is getting freedom from vendor lock-in! I am a .Net developer who prefers Linux over Windows. So great! I need not buy Windows just to develop on my favorite platform. Windows is a MS product. .Net is a technology. .Net is nice and thanks to MS and Mono it is cross-platform.

It seems ISRO is going to send a rover next to the moon in 2012 on the Chandrayaan-II probe.

IMHO, ISRO should conduct something like the Lunar X-Prize, where independent groups can build their own rovers loaded with instruments.
Not that ISRO lacks the required expertise ('course) but such a competition would generate considerable interest among students in the whole nation and rope in more participation from Indian Universities. USA's DARPA Grand Challenge is an excellent example.
I really hope the aims for Chandrayaan-II are very high, so that the Indian tech industry will have to work very hard to accomplish them all. Besides one doesn't send a rover to another celestial body quite often. So this rover should be really high tech! :-)