The correct answer is: a) Monpa and Sherdukpen tribes.
Lossar is the most important festival of the Monpa and Sherdukpen tribes of Arunachal Pradesh. It is a time for family reunions, feasting, and traditional dances. The festival marks the beginning of the new year according to the Tibetan lunisolar calendar. It is celebrated over a period of three days, with each day having its own special significance.
On the first day of Lossar, people clean their houses and decorate them with flowers and rangolis (traditional Indian art form). They also visit temples and offer prayers to the gods. On the second day, people dress up in their traditional costumes and attend feasts. They also exchange gifts and perform traditional dances. On the third day, people visit their friends and relatives and exchange greetings.
Lossar is a time for people to come together and celebrate the new year. It is a time for joy, happiness, and prosperity.
The other options are incorrect because:
- The Idu Mishmi tribe celebrates the Mopin festival.
- The Aka tribe celebrates the Aka Nane festival.
- The Nyishi tribe celebrates the Nyokum festival.