I wondered if something like this might happen. I figured it would happen in the east, though, with Assam and Jharkhand and Bangladesh, not in the frelling south with Andhra Pradesh.
India Creates a New Southern State Called Telengana Not 'fall of the nation state' level cyberpunk, but fascinating. Apparently Andhra Pradesh's capital, Hyderabad, might become a part of Telengana. They'll have to find a new capital.