List of Indian Favourite Events:
1. Diwali
2. Holi
3. Eid
4. Republic Day
5. Makar Sakranti
6. Pongal
7. Basant Panchmi
8. Kumbh Mela
9. Maha Shivratri
10. Carnival in Goa
To know about how people celebrate these events you can search on Google or do Wikipedia.