Ruling Nagaland People's Front and opposition Congress in Nagaland on Monday won the Dimapur-I and Tuensang Sadar-II assembly seats, bypolls for which were held on March 8.

NPF candidate Atomi Zhimomi, son of state Industry and Commerce Minister Khekiho Zhimomi, defeated his closest rival Aheto Yeptho of Congress by 3,656 votes in a five-cornered contest, office of the chief electoral officer of Nagaland said.

At Tuensang Sadar-I, Congress candidate Kejong defeated his closest rival H Wonoto of NPF by nearly 1,000 votes in a four-cornered contest. The bypolls to the two seats were necessitated following demise of Bharatiya Janata Party legislators Hokishe Sema and Lakiumong.