INS Kalvari (S23)
INS ''Kalvari'' (S23) was the lead vessel of the of diesel-electric submarines of the Indian Navy.Kalvari Class (Foxtrot Class) – Bharat Rakshak :: Indian Navy
Bharat Rakshak. Retrieved on 2018-12-25. It was the first ever submarine inducted into service by the Indian Navy. The submarine was keel laying, laid down on 27 December 1966 as ''B-51'' of the Soviet Navy by Novo-Admiralty at Galerniy Island, Leningrad.

Overview

The submarine was launched (ship), launched on 15 April 1967 and competed on 26 September 1967. The submarine was commissioned by the Indian Navy on 8 December 1967 at Riga, Soviet Union. The Navy celebrates Submarine Day annu ...
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Tiger Shark
The tiger shark (''Galeocerdo cuvier'') is a species of requiem shark and the last extant member of the family Galeocerdonidae. It is a large macropredator, capable of attaining a length over . Populations are found in many tropical and temperate waters, especially around central Pacific islands. Its name derives from the dark stripes down its body, which resemble a tiger's pattern, but fade as the shark matures. The tiger shark is a solitary, mostly nocturnal hunter. It is notable for having the widest food spectrum of all sharks, with a range of prey that includes crustaceans, fish, seals, birds, squid, turtles, sea snakes, dolphins, and even other smaller sharks. It also has a reputation as a "garbage eater", consuming a variety of inedible, man-made objects that linger in its stomach. Though apex predators, tiger sharks are sometimes taken as prey by groups of killer whales. It is considered a near threatened species because of finning and fishing by humans. The tiger s ...
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