Festivals in Daporijo are grand, community-wide celebrations linked to the agricultural cycle and indigenous deities.
* **Si-Donyi:** The most significant festival of the Tagin tribe, celebrated in January to seek prosperity, good harvests, and protection from evil spirits. * **Mopin:** Celebrated by the Galo community in April, this agricultural festival features the smearing of rice powder on faces and traditional *Popir* dancing. * **Nyokum Yullo:** Celebrated by the Nyishi tribe in February, focusing on harmony, agricultural success, and the appeasement of ancestral spirits. * **Boori-Boot:** Celebrated in February by the Hill Miri (Nyishi) community to welcome spring and a successful harvest.
