November 3rd is considered as World Usability Day, by Usability Professional Association (UPA) . World Usability Day is a project of UPA : promoting usability concepts and techniques worldwide. Around the globe the event is happening in more than 200 places. And in India, as on date, the event is going to happen in three places, viz., Bangalore, Chennai & Hyderabad.
If anyone is working / interested in Usability then feel free to attend 
And there is also a blog for World Usability Day - Chennai.
Venue :
Anna University,
Hall of Guines 68,
Department of Manufacturing Engineering,
Sardar Vallabhat Patel Road,
Chennai, 600 002
UPA also has a Indian chapter based in Pune. Also Muthu, a Usability Engineer is blogging about Usability, which is named as Usability in India. Worth Clickling