INS Shalki: India's first indigenously built submarine, which was commissioned in February 1992.
http://www.indiavilas.com/kidscorner...ain.asp?k=navy
http://indiannavy.nic.in/sub_shishumar.htm
At present this link is not working but you will get lot of information from this site:
http://www.bharat-rakshak.com/NAVY/Shishumar.html