With a post-1900 POD of course, don't have to all be internationally recognized (OTL Taiwan or Somaliland would count).
The dissolution of the Soviet Union turns into a full scale Yugoslavic style conflict, that quickly spreads into China and India, with Nationalist Militias gaining foothold whilst central authority entirely collapses. This trend continues in the Warsaw Pact states and across Africa, with Europe and the America's succumbing to the anarchy.
India, I could understand (though you would probably need a POD at the States Reorganization).
China? You get at most Xinjiang, Xizang, and...that's it.
The dissolution of the Soviet Union turns into a full scale Yugoslavic style conflict, that quickly spreads into China and India, with Nationalist Militias gaining foothold whilst central authority entirely collapses. This trend continues in the Warsaw Pact states and across Africa, with Europe and the America's succumbing to the anarchy.
Goa and Hyderabad could be kept independent of India as well.