Which of the following is India's first indigenous submarine?
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INS Shahkul
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INS Savitri
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INS Vibhuti
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INS Shalki
D
Correct answer
Explanation
INS Shalki was India's first indigenous submarine, commissioned in 1992 and built at Mazagon Dock Limited in Mumbai. It was a Type 1500 submarine developed as part of India's efforts to achieve self-reliance in defense manufacturing. The other options (INS Shahkul, INS Savitri, INS Vibhuti) are fictional or incorrect names for submarines.