Which festival of the Galo tribe is celebrated to propitiate deities for a bountiful harvest?

The correct answer is: a) Solung

Solung is a major festival of the Galo tribe of Arunachal Pradesh, India. It is celebrated to propitiate deities for a bountiful harvest. The festival is held over a period of three days, and is marked by feasting, dancing, and singing. The main event of the festival is the sacrifice of a buffalo, which is believed to appease the gods and ensure a good harvest.

Solung is a time for family and friends to come together and celebrate the harvest. It is also a time to pay tribute to the ancestors and to pray for good luck in the coming year.

The other options are incorrect because:

• Nyokum is a festival of the Nyishi tribe of Arunachal Pradesh. It is celebrated to mark the beginning of the new year.
• Mopin is a festival of the Apatani tribe of Arunachal Pradesh. It is celebrated to mark the end of the harvest season.
• Losar is the Tibetan New Year. It is celebrated by all the Buddhist tribes of Arunachal Pradesh.