No problem I will get the list of Submarines of Indian Navy so that you can check it and have idea about it.

Here is the list of Submarines

Nuclear-powered submarines (1 in Service)
INS Chakra (S71)

Diesel-electric submarines (13 in Service)
INS Sindhughosh (S55)
INS Sindhudhvaj (S56)
INS Sindhuraj (S57)
INS Sindhuvir (S58)
INS Sindhuratna (S59)
INS Sindhukesari (S60)
INS Sindhukirti (S61)
INS Sindhuvijay (S62)
INS Sindhurashtra (S65)
INS Shishumar (S44)
INS Shankush (S45)
INS Shalki (S46)
INS Shankul (S47)

Under Construct
Nuclear-powered submarines
INS Arihant (S73)
INS Aridhaman (S74)

Diesel-electric submarines (6 under construction)
INS Kalvari (S50)
INS Khanderi (S51)
S 52
S 53
S 54
S 55

Decommissioned submarines
INS Chakra (K-43)
INS Kalvari (S23)
INS Khanderi (S22)
INS Karanj (S21)
INS Kursura (S20)INS Vela (S40)
INS Vagir (S41)
INS Vagli (S42)
INS Vagsheer (S43)

Address:-
Indian Navy
JDMPR (OI & R)
Room No 205, C Wing
Sena Bhawan, New Delhi -110011

Phone:-
011-23010151