Itanagar/ Dimapur/ Imphal April 9 (ANI): Polling began on Wednesday in four northeastern states, in the phase two of the nine-phase Lok Sabha elections. Voting is being held in one seat each in Nagaland and Manipur and two seats each in Arunchal Pradesh and Meghalaya. Voters have queued up outside the polling booths eagerly waited for their turn. Nagaland's lone Parliamentary seat has three candidates in the race - Chief Minister Neiphiu Rio (NPF), Congress' KV Pusa and Akheu Achumi of Socialist Party (India). In the Outer Manipur Lok Sabha seat, one of the two Lok Sabha constituencies in Manipur, an Aam Aadmi Party candidate is also in the contest, along with those of the BJP, Congress, Trinamool Congress, Naga People's Front, NCP and JD (U).