Kerala - C/o Gulf Tamilnadu - No Comments Andhra Pradesh - Telangana movement Karnataka - Ask Tamilnadu Bihar,UP - Their weapons are sophisticated than Indian Army's Bengal - Chinese will listen. Seven sister states - Instant death if you are non-assamese. Punjab - Khalistan Kashmir - Kidding? Rajasthan - They call you "paradesi". Maharastra - Vidarbha movement. UP - Bundelkhand, Poorvanchal etc ...
Due to the intrinsic cultural diversity, each State in India cannot 'productively' govern more than 2 million citizens. India should 'decentralize' 604 districts into States or Cantons as in Switzerland.