TNPSC Thervupettagam

58th Submarine Day – December 08

December 11 , 2025 15 hrs 0 min 23 0
  • The day aims to commemorate the induction of INS Kalvari, the first submarine of the Indian Navy, on 8 December 1967.
  • The first observance of Submarine Day was held in 1968.
  • The Navy headquarters is located in New Delhi.

 

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