The Tutsa tribe of Arunachal Pradesh observes the Pongtu Festival mainly to invoke blessings from which god prior to millet sowing?

The correct answer is Rangkhothak.

Explanation:

Pongtu Festival is a prominent agricultural and cultural festival celebrated by the Tutsa tribe of Arunachal Pradesh (mainly inhabiting Changlang and Tirap districts).

Key highlights of the Pongtu Festival include:

1. Purpose: It is celebrated prior to the rainy season and the sowing of millet to invoke the blessings of the supreme deity, Rangkhothak, for a good harvest, peace, prosperity, and protection from natural calamities and epidemics.

2. Rituals: Special prayers, traditional folk dances (such as the Rongan dance), and community feasts form an integral part of the festival celebrations.