I would like to join in too. And if there is any legwork to be done, I am willing to do my part.
A cheap marriage hall might be a bad idea if folks are to bring in their expensive equipment. If everyone is willing to shell out some money, we could rent a hall in a decent hotel in a non CBD area.
There are cricket matches in Bangalore on Feb 27th, Mar 6th and Mar 16th. I don't follow cricket, but these dates may not work for everyone. Besides, the security will be tight and you don't want to drive around with lots of electronics. Bangalore has its share of Jihadis and I can't blame the police for being extra cautious.
-Dinesh.