The correct answer is Diwali. Diwali is a five-day festival of lights, which is one of the most popular festivals in India. It is celebrated every year in the month of November, and marks the victory of good over evil. The festival is celebrated with the lighting of diyas (lamps), making of rangoli (colorful decorations), and exchanging gifts.
Navratri is a nine-day festival that is celebrated in the autumn. It is dedicated to the worship of the goddess Durga, and is a time for prayer, fasting, and feasting.
Uttarayan is a kite-flying festival that is celebrated in the winter. It is also known as Makar Sankranti, and marks the beginning of the harvest season.
Holi is a spring festival that is celebrated with colors, music, and dance. It is a time for people to forget their differences and come together in celebration.
Diwali is the most popular festival in India, and is celebrated by people of all religions. It is a time for family and friends to come together and celebrate the victory of good over evil. The festival is also a time for new beginnings, and people often buy new clothes, jewelry, and other items to mark the occasion.