Hi Rabimba, please find the answer inline
//Has the dates for the event been finalized? Last I remember I saw it was supposed to be any of the following 2/3rd January, 9/10th January,12/13th December.//
As of now , we are discussing the date , it may 9/10 January 2014 Venue- Presidency College or Any good Hall near college street area.
//Has the activities/events been confirmed for the event? Any schedule or tentative events that should occur?// activities confirm of our 2 days conference program. schedule will be published later here https://meta.wikimedia.org/wiki/Bengali_Wikipedia_10th_Anniversary_Celebrati...
//Has the venue already decided? I see a pretty detailed and specific grant request hence this probably is decided but i couldn't find it mentioned in any mail archive.//
Venue- Presidency College or Any good Hall near college street area. Grant request is publicly available at https://meta.wikimedia.org/wiki/Grants:PEG/WM_IN/Bengali_Wikipedia_10th_anni..., so need to any announcements.
//This probably is better asked after the the event lists are finalized but will there be talks/technical sessions? In that case I think it's quite about time for a call for proposal and talk//
Seft explain
Now have any contacts for sponsor?? We need some sponsor. Please help us if you can.