Explanation:

Nyokum is a festival celebrated by the Nyishi tribe of the Indian state of Arunachal Pradesh. The Word Nyokum has been derived from the combination of two words - Nyok means land (earth) and Kum means collectiveness or togetherness. Therefore, the Nyokum festival may very well be interpreted as inviting all the Gods and Goddesses of the universe, with the Nyokum Goddess as the principal deity, to a particular venue at a particular time.
Solung Festival is a social religious festival of the Adi tribe of Arunachal Pradesh. It is connected with people’s agrarian activities. Solung festival is celebrated for better and rich harvests. Various myths, stories, faiths and beliefs have been told about the origin of the 'Solung' festival.
Marking the start of spring and the first day of the lunar calendar, Losar is a popular festival of Arunachal Pradesh. It is celebrated by the people of Monpa Tribe who are said to be inhabitants of Arunachal Pradesh since 500 BC. Monpa Tribe practices agriculture and animal husbandry and follows Buddhist religion.