Which of the following festivals is mainly celebrated in Arunachal Pradesh?
           

Correct option is D

The festival mainly celebrated in Arunachal Pradesh is Solung.
 Solung is a major agricultural festival celebrated by the Adi tribe in Arunachal Pradesh. It is held in the month of September every year and marks the end of the sowing season and the beginning of the harvest season. The festival is dedicated to the deity Doying Bote, who is believed to protect the crops and bring prosperity.
 Apart from this many festivals are celebrated by people of Arunachal Pradesh, like Siang River Festival, Pangsau Pass Winter Festival, Dree Festival,etc.