Polling will be held in 22 constituencies spread across the districts of Thoubal, Ukhrul, Chandel, Tamenglong and Senapati and will cover 1151 polling stations.
Heptulla appealed tto the voters to show "their constitutional responsibility" to make the north eastern state "the first state in the country with the highest number of voter turnout."
The first phase of polling on March 4 recorded a voter turnout of 84 per cent with record polling in the valley districts of Imphal East, Imphal West and Bishnupur.