Voting begun at 7 a.m. in two polling booths of Bindranavagarh constituency, while in the remaining 72 booths, polling started at 8 a.m.
The time of polling in 72 constituencies is from 8 a.m. to 5 pm except in two polling booths — Amamora (booth no. 72) and Modh (no.76) in Bindranavgarh where polling is being held from 7 a.m. to 3 p.m. due to the threat posed by Naxals.
Around 1.50 lakh security personnel have been deployed across the State to ensure peaceful polling.
In the second phase, districts like Gariaband, Dhamtari, Mahasamund, Kabirdham, Jashpur and Balrampur are Naxal-affected areas and extra vigil was being maintained there, the official said.
The polling will take place in central and north Chhattisgarh, where 72 each from the BJP and Congress, are in the fray.
Voter Verifiable Paper Audit Trails (VVPAT) were set up in all 19336 polling stations. EVMs will have 19,336 control units and 25,640 ballot units.
Of the 19,336 polling booths, web casting facility has been provided in 2,112 booths through which Election Commission of India can monitor those polling stations, he said.
For the second phase of voting, 84,688 polling personnel have been deployed including the reserve staff.
The first phase of polls was held on November 12 in eighteen constituencies of eight Naxal-affected districts wherein over 76 per cent voter turnout was recorded.
The counting of votes will be held on December 11.