The Indian Navy plans to build 24 submarines, including 6 nuclear attack submarines, a parliamentary panel was told. In its report tabled this month, the Navy stated that there are presently 15 conventional submarines and 2 nuclear submarines in its fleet. The Indian Navy has 2 nuclear submarines - INS Arihant and INS Chakra, the latter being leased from Russia.

from Times of India https://timesofindia.indiatimes.com/india/planning-to-build-six-nuclear-attack-submarines-navy-to-parliamentary-panel/articleshow/73018905.cms