The correct answer is: C. Kargil Vijay Diwas
Kargil Vijay Diwas is celebrated on 26 July every year to commemorate the victory of the Indian Armed Forces over Pakistani intruders in the Kargil War. The war lasted for 60 days from 2 May to 26 July 1999.
The war began when Pakistani soldiers, disguised as Kashmiri militants, infiltrated Indian-controlled Kashmir. The intruders occupied strategic heights on the Indian side of the Line of Control (LoC), the de facto border between India and Pakistan in Kashmir.
The Indian Army launched a counter-offensive and successfully evicted the intruders from the Indian side of the LoC. The war resulted in the deaths of over 500 Indian soldiers and over 300 Pakistani soldiers.
Kargil Vijay Diwas is a day of national pride and is celebrated with great fervor across India. The day is marked by flag hoisting ceremonies, parades, and other events. The Indian Armed Forces are also felicitated on this day.
Here are brief descriptions of the other options:
- Hindi Diwas is celebrated on 14 September every year to commemorate the adoption of Hindi as the official language of India. Hindi is one of the 22 official languages of India and is the most widely spoken language in the country.
- National Statistics Day is celebrated on 29 June every year to commemorate the birth anniversary of P.C. Mahalanobis, the father of Indian statistics. Mahalanobis was a statistician, economist, and social scientist who played a key role in the development of Indian statistics.
- National Sports Day is celebrated on 29 August every year to commemorate the birth anniversary of Major Dhyan Chand, the hockey wizard of India. Dhyan Chand was a legendary hockey player who led the Indian team to three Olympic gold medals.