As per the Election Commission figures, the LDF is ahead in 85 seats, while the opposition Congress-headed UDF is leading in 44 segments and the BJP-NDA, in three constituencies.
The Congress has established initial leads only on five seats while its partners Bodoland Peoples Front on two seats and All India United Democratic Front (AIUDF) on one seat.
In the city's Beliaghata area, clashes broke out between two groups of people, following which the police resorted to mild lathicharge to disperse them.
Security measures have been heightened in view of the violence in the previous phases, particularly the death of five people in Cooch Behar in the fourth round of polling.
Altogether 79,19,641 voters -- 40,11,539 men, 39,07,963 women and 139 of the third gender -- are entitled to exercise their franchise in 11,401 polling stations.
The ruling LDF is hoping to retain power for a second consecutive term breaking the state's four-decades-old trend of alternating between the UDF every five year.