After receiving complaint against the two civic police volunteers, Bindu Bag and Sanjib Sana, they were arrested, police said.
Subrata Bag, the 32-year-old CPI(M) supporter, alleged that the had stopped him when he was returning from Biman Bose's meeting and asked him why he attended it.
"They beat me up with bamboo sticks and iron rods. My legs were fractured," he claimed.
CPI(M) district secretary Sudarshan Ray Chowdhuri thanked the Election Commission for the arrest.
IPS officer turned Trinamool Congress candidate Rachpal Singh said no worker of his party was involved in the incident and it was an internal matter of the village.
Civic police volunteers are posted in various road crossings to assist the police mainly in controlling traffic movement.