INS Vela (S40) was the lead ship of four diesel-electric Vela-class submarines of the Indian Navy.

The submarine was commissioned on 31 August 1973 in Riga, Latvian SSR.

Along with her sister ship Vagli, she spent almost 10 years undergoing a protracted refit by Hindustan Shipyard.

[2][3][4][5] Vela is the name of an Indian fish from the stingray species known for its aggression and offensive power, and the ability to camouflage itself from predators.

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