BarCampBangalore version 4.0 is happening on 28th and 29th July 2007 @ IIM Bangalore, This edition reorganized with collectives!!!
If you are not heard/aware of BarCamp, check for more details here
And looking for, what events/collectives are happening over there get more details here.
Voting on the Logo for BarcampBangalore is happening over here. Do vote for your favorite and suitable & sensible one here