Nagaland Lok Sabha constituency is the only Lok Sabha (lower house of the Indian parliament) in the Northeastern state of Nagaland. It participated in its first general election in 1967 and its first member of parliament (MP) was S. C. Jamir of the Nagaland Nationalist Organisation who was elected unopposed. In 1969, the Twenty-third Amendment of the Constitution of India discontinued the reservation of the seat to Scheduled Tribes. In the 1971 election, A. Kevichusa of the United Front of Nagaland party defeated Jamir. Rano M. Shaiza of the United Democratic Front was elected in the 1977 election.