50. The Indian Air Force has gifted a 1971 war helicopter to which nation?
51. Ajendra Bahadur Singh has been appointed as the Flag Officer Commanding-in-Chief of which command of Indian Navy?
A.Eastern Naval Command
B.Western Naval Command
C.Andaman and Nicobar Command
D.Southern Naval Command
52. The India and Indonesia navies recently held their Passage Exercise (PASSEX) in which region?
A.South China Sea
53. Who has test-fired the indigenously developed Helina & Dhruvastra missile system?
54. Which Indian ship is participating in the Naval Defence Exhibition (NAVDEX 21) and International Defence Exhibition (IDEX 21) in Abu Dhabi?
55. The Indian navy has joined the "Iran-Russia Maritime Security Belt 2021". The exercise has been organized in which region?
C.South China Sea
56. Which is the battle tank has been handed over by the Prime Minister to the Indian Army?
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