Apart from Human Factors International for offering Usability Courses there is one more place in Pune which has similar courses. Its Genesis Usability and is conducted by Atul Manohar.

Below is the link where you can find the details: http://www.genesishci.com/training.htm
The course fee is very less as compared to HFI's. Approx 9k.

And then there is one more which is conducted by Prof. Aniruddha Joshi from Industrial Design Centre (IDC), IIT Bombay. His courses are announced on his site. The next course if from June 29 to July 8, 2005 in IIT Bombay. You can get more details on below link:
http://www.idc.iitb.ac.in/~anirudha

(This information was provided to me by Mr. Sanjay Malge)