Mumbai based startup, Glamble is a social gaming player that focuses on launching social games on popular platforms like Facebook.
The company has launched its first app, Glamble Poker on Facebook [app link] which as per AppData has got some great traction [~900K Monthly Avg Users].
Glamble Poker is a social casino, where you play fuss-free Texas Hold Em Poker with virtual chips and the startup monetizes using in-game chip sales and advertisements.

An interesting trend, Indian startups are focusing on harnessing the existing socionets and in building games/apps on Facebook and other socionets.
Do give Glamble a spin and share your opinion – right now, product has a bit of jagged edges, but its just a matter of time.