With a population of 1,091,014, Mizoram's 702,189 electorate, including 355,954 women, would decide the fate of three candidates in the lone Lok Sabha constituency.
Around 4,500 polling personnel have been engaged in 1,126 polling stations, of which 385 centres, mainly in urban areas, would use the Voter Verifiable Paper Audit Trail (VVPAT) system with the electronic voting machines.
The VVPAT, which was used in 10 assembly segments in last year's polls in Mizoram, confirm the voting.
Security arrangements have been made across the mountainous state, which shares borders with Myanmar (404 km) and Bangladesh (318 km), besides Tripura and Assam.
Eight companies of central paramilitary forces and six battalions of state security forces have been deployed.