Nagaland Chief Minister Neiphiu Rio of Naga People's Front (NPF) is leading over nearest Congress rival K V Pusa by 22,278 votes in the lone Lok Sabha seat in the state.
As per trends till noon, Rio polled 1,83,421 votes and Pusa 1,61,143 votes.
NOTA category, used for the first time in Lok Sabha election, has recorded 1,056 votes.