Explanation:

Introduction:
India celebrates several national festivals throughout the year to commemorate important events and significant personalities. Independence Day and Republic Day are two such national festivals that hold great importance in the country. There is a third national festival that is celebrated in India, along with these two festivals.

Explanation of the Answer:
The correct answer to the given question is option 'C', which is Gandhi Jayanti.

Gandhi Jayanti:
- Gandhi Jayanti is celebrated on 2nd October every year to honor the birth anniversary of Mahatma Gandhi, who is also known as the Father of the Nation in India.
- This day is observed to pay tribute to the immense contribution made by Mahatma Gandhi in India's struggle for independence and his teachings of non-violence, truth, and peace.
- Gandhi Jayanti is a national festival in India and is celebrated with great enthusiasm and reverence across the country.
- On this day, various commemorative events take place, including prayer meetings, offering of flowers at Gandhi's statues and memorials, and cultural programs that highlight his life and teachings.

Other Options:
- Diwali, also known as the Festival of Lights, is a significant Hindu festival celebrated in India. However, it is not a national festival.
- Eid is a major festival celebrated by Muslims worldwide, marking the end of Ramadan. While it is an important religious festival in India, it is not a national festival.
- Holi is a colorful and vibrant Hindu festival celebrated in India, primarily known for its playful and joyous atmosphere. However, it is not a national festival.

Conclusion:
In conclusion, while Diwali, Eid, and Holi are important festivals celebrated in India, the national festivals of India are Independence Day, Republic Day, and Gandhi Jayanti. These festivals hold immense significance in the country and are observed with great enthusiasm and patriotism.

Gandhi gyanti