The Moatsu Festival is a time of great rejoicing as the planting season comes to an end. It is celebrated by the Ao tribes of _________.

Nagaland

The correct answer is Option (4) → Nagaland

The Moatsu is a festival celeberated by Ao People of Nagaland. This is a festival of community bonding celebrated in May for 3 days. As a celebration, the villagers express their friendship for each other by exchanging gifts, making new friends, feasting, bon fire etc.