After many problems it was after the successful tests handed over to the indian navy, the Russian nuclear submarine class Ščuka-B (project 971U, code NATO Akula II)-152 Něrpa. The indian navy will operate the vessel under the designation INS Chakra for the training of their crews. India takes the submarine on a ten year lease.
Source:
http://www.altair.com.pl/start-7240
www.indiandefence.com
http://czech.ruvr.ru/2011/10/04/58138602.html.
Source:
http://www.altair.com.pl/start-7240
www.indiandefence.com
http://czech.ruvr.ru/2011/10/04/58138602.html.