Starting this April, Chennai is going to witness a new event called "Mobile Monday". The Chennai version of the event will be spearheaded by Varun Krishnan and interested others can pitch in. The event is supposed to be of 3 to 4 hours duration with talks on various technical and non-technical topics with new product demos etc.
You can get more info at the following places.
2. Mailing List.
3. Email Varun.
The first Mobile Monday is scheduled for 22nd April, 2007. Info on the venue and timings will be available soon.