Mollah, the former Land and Land Revenue minister, has been rushed to a private hospital, Chakraborty claimed.
The ruling TMC refuted the CPI(M) allegations that their supporters attacked Mollah at Kanta Tala under the Kolkata Leather Complex police area.
It is a "totally baseless" allegation, the party said.
However, police said till 2.30pm they have not yet received any complaints about the attack on Mollah.