National Maritime Day of India is celebrated on ______________

The correct answer is: A. October 16

National Maritime Day of India is celebrated on October 16 every year to commemorate the launch of the first Indian-built aircraft carrier, INS Vikrant, on October 16, 1945. The day is also celebrated to recognize the contributions of the Indian Navy to the nation.

Option B: April 05 is the birth anniversary of Netaji Subhash Chandra Bose, the founder of the Indian National Army.

Option C: March 21 is the International Day of Forests.

Option D: May 22 is the International Day for Biological Diversity.