if you are of upper caste, in many places you have the simpler option of just killing lower caste to get your way.
Looks like someone time travelled directly from 1930
Mostly these cards and identity were used to convert illegal immigrants into legal ones
Aadhar is just a proof of identity, not of citizenship. It cannot be used for making illegal immigrants legal.
"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth. -- Alfred North Whitehead