 | This article needs more citations .(August 2010) |
 Kalvari-class (Foxtrot-class) submarine of the Indian Navy | |
| Class overview | |
|---|---|
| Name | Kalvari class |
| Builders | Sudomekh, Admiralty Shipyard |
| Operators |  Indian Navy |
| Succeeded by | Vela class |
| In commission | 1967–2003 [1] |
| Completed | 4 |
| Retired | 4 |
| Preserved | 1 |
| General characteristics | |
| Type | Submarine |
| Displacement |
|
| Length | 91.3 m (299 ft 6 in) |
| Beam | 7.5 m (24 ft 7 in) |
| Draught | 6 m (19 ft 8 in) |
| Speed |
|
| Range |
|
| Test depth | 250 m (820 ft) |
| Complement | 75 (incl 8 officers) |
| Sensors & processing systems | Panchendriya sonar |
| Armament |
|
Kalvari-class submarines were the first submarines inducted into the Indian Navy. They were variants of the early Soviet Foxtrot-class submarines. Four of the class served in the Indian Navy. Four additional variants of the later Foxtrot class were inducted as the Vela class.[ citation needed ]
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INS Kursura has been preserved as a museum on Ramakrishna Beach in Visakhapatnam. [2] The sail of the lead vessel, INS Kalvari is also on display at the Visakhapatnam city museum.[ citation needed ] Prior to the commisioning of INS Chakra, The Soviet Navy had offered to fit nuclear propulsion into this class. The Project was turned down due to the age of the submarines. [3]
