It's ban on Poker and Rummy sites bro I.E., gambling not gaming! Change the thread title accordingly. There are many online games other than poker and rummy.
I think it's because gambling is banned in state. I am pretty sure fantasy cricket is banned in many states. Andhra Pradesh is publicly talking about it to drag attention.
But may be it can if escaped if you have bank account in other states. The point is finding a loophole. Like in sports betting, Physical money betting is banned while Online betting is neither illegal nor legal in most states.