The first elections to the Arunachal Pradesh Legislative Assembly were held in on 25 February 1978. There were 30 single-member constituencies at the time of the election, out of whom two were reserved for Scheduled Tribes. There was a total of 86 candidates participating. The maximum number of candidates was found in the Ziro constituency, with six candidates. In two constituencies (Prem Khandu Thungan from Dirang, Kalaktang and Noksong Boham from Niasua-Kanubari) there was only one candidate, who was elected unopposed. There were 29 Janata Party candidates, 21 People's Party of Arunachal candidates, 1 Indian National Congress candidate (Shri Tasso Grayu) and 35 independents in the fray. The speaker of the Legislative Assembly, Nonemati, contested as a Janata Party candidate from Khonsa N