Mopin is another popular festival of the Adis, mainly of the Gallong
community of the Arunachal Pradesh. This is normally celebrated in order to get rid of natural calamities diseases, effects of evil spirits and for good harvest, health, wealth and prosperity. In this festival
Mopin, the Goddess of welfare, peace, wealth, prosperity and wisdom is propitiated in grand celebration. The festival lasts for five days from the eighth of April before, sowing of paddy. The
popir dance is the most popular dance during the festival.
Animal sacrifices are a common ritual in most of the festivals, particularly in the
non-Bodic tribes. The festivals have been firmly blended with the lifestyle of the people of
Arunachal Pradesh. For some communities like the Mijis these are occasions to bring all people together who might otherwise be scattered in far flung villages. This serves as a reminder of the richness of their cultural heritage.