Answer:

The Prime Minister of India hoists the National Flag at the Red Fort in Delhi on Independence Day. Here is the explanation:

Independence Day:
- Independence Day is celebrated on the 15th of August every year in India.
- It commemorates the day when India gained its independence from British rule in 1947.
- This day holds great significance in Indian history as it marks the end of the struggle for freedom that lasted for several years.
- The Prime Minister of India hoists the National Flag at the Red Fort in Delhi to symbolize the country's sovereignty and independence.
- The flag hoisting ceremony is followed by the Prime Minister's address to the nation, known as the "Independence Day speech."
- The speech highlights the achievements of the nation and outlines the government's plans and initiatives for the future.

Red Fort:
- The Red Fort, also known as Lal Qila, is a historic fortification located in the heart of Delhi, India.
- It was built by the Mughal emperor Shah Jahan in the 17th century and served as the residence of the Mughal emperors.
- The fort is made of red sandstone and is a magnificent example of Mughal architecture.
- It is a UNESCO World Heritage Site and is visited by thousands of tourists every year.
- The Red Fort is chosen as the venue for the Independence Day celebrations due to its historical significance and grandeur.

Flag Hoisting:
- The hoisting of the National Flag is an important ritual during Independence Day celebrations.
- The Indian National Flag, also known as the Tricolor, consists of three horizontal stripes of saffron, white, and green, with the Ashoka Chakra in navy blue at the center.
- The flag represents the unity and diversity of India and its aspirations for progress and peace.
- The Prime Minister hoists the flag in the presence of dignitaries, government officials, and the general public.
- The hoisting of the flag is followed by the national anthem and a 21-gun salute.

Conclusion:
On Independence Day, the Prime Minister of India hoists the National Flag at the Red Fort in Delhi. This ceremony is a significant event that symbolizes the country's independence and showcases the unity and pride of the nation.