Congress on Tuesday was leading in Chhattisgarh as per the latest trends. The Rahul Gandhi-led party crossed the half-way mark as it leads in 48 seats while BJP is ahead in 30 seats.
Chhattisgarh chief minister Raman Singh was trailing from his constituency, Rajnandgaon. Karuna Shukla of Congress is leading from the same constituency.
Counting of votes has begun. Results and trends will be available soon.
The exit polls suggested a shaky situation for the incumbent Raman Singh's government in Chhattisgarh.
Polling in Chhattisgarh took place in two phase. The first phase of polling was on November 12 while the second phase was on November 20.
Congress has spent 15 years in the opposition in Chhattisgarh.
According to India Today-Axis My India, the Congress would bag 55-65 seats in the 90-member Assembly while the ruling (BJP) share would reduce to 21-31 seats.
Republic-C-Voters also predicted a victory for Congress on 40-50 seats and said the BJP would win 35-43 seats.
But Times Now-CNX and ABP News-CSDS forecast that the BJP would retain power for a fourth straight time.
The former projected 46 seats for BJP and 35 for the Congress while the latter saw BJP`s victory on 52 seats and that of Congress on 35.
News Nation predicted 40-44 seats for Congress, 38-42 for BJP and 4-8 for the alliance of Congress rebel Ajit Jogi-led Janata Congress Chhattisgarh (JCC) with Mayawati's Bahujan Samaj Party (BSP), which can play a role of the kingmaker in the event of a split verdict.
News24-Pace Media exit poll said the Congress would emerge the winner in the fiercely-fought elections with 45-51 assembly seats while the BJP would get 36-42 seats.
In 2013, the BJP formed the government for a third time in a row after winning 49 seats in the 90-member assembly. The Congress won 39 seats.