 The submarines have four launch tubes in their hump and can carry up to 12 K @-@ 15 Sagarika missiles with one warhead each ( with a range of 750 km or 470 mi ) or 4 K @-@ 4 missiles ( with a range of 3 @,@ 500 km or 2 @,@ 200 mi ) . The submarines are similar to the Akula @-@ class submarine of Russia . The Indian Navy will train on INS Chakra , an Akula @-@ class submarine leased from Russia in 2012 . 
 The submarines <a href='got' title='1'><mark>have</mark></a> four launch tubes in their hump and can carry up to 12 K @-@ 15 Sagarika missiles with one warhead each ( with a range of 750 km or 470 mi ) or 4 K @-@ 4 missiles ( with a range of 3 @,@ 500 km or 2 @,@ 200 mi ) . The submarines <a href='drop_aux' title='2'><mark>are</mark></a>similar to the Akula @-@ class submarine of Russia . The Indian Navy will train on INS Chakra , an Akula @-@ class submarine leased from Russia in 2012 . 
The submarines got four launch tubes in their hump and can carry up to 12 K @-@ 15 Sagarika missiles with one warhead each ( with a range of 750 km or 470 mi ) or 4 K @-@ 4 missiles ( wid a range of 3 @,@ 500 km or 2 @,@ 200 mi ) . The submarines similar to da Akula @-@ class submarine of Russia . TdaIndian Navy gon train on INS Chakra , an Akula @-@ class submarine leased from Russia in 2012 .