Answer : 2. "जनमाष्टमी"
Explanation :

1. During the celebration of the Janmashtami festival, a pot filled with butter, curd, etc. is hung above the ground and people try to break it by forming a human pyramid.

2. Janmashtami is the biggest festival in the Braj region of North India.

3. Celebrated on the eighth day of Krishna Paksha of Bhadrapada month.

4. Some of the popular customs of Janmashtami include.

- Worship of Lord Krishna: People worship Lord Krishna in temples, offer prayers, and sing hymns.

- Rasleela: Rasleela is a dance and drama that depicts the story of Lord Krishna and his beloved Radha.

- Butter Thief: This is a popular game in which children try to steal butter from a large pile of butter.

- Fasting: Some people fast on the day of Janmashtami to seek the blessings of Lord Krishna.