Bharatpur police in Murshidabad have filed a suo moto complaint against local Trinamul Congress MLA Humayun Kabir for his rant against officer-in-charge Raju Mukherjee that was laced with allegations of misbehaviour and favouritism.

A video purportedly recorded on Saturday evening at the party’s block office in Bharatpur showed Kabir accusing Mukherjee of allying with three Trinamul leaders to undermine the MLA in the recent Assembly polls.

Mukherjee filed the FIR on Monday on behalf of the Bharatpur police against Kabir under several sections of the Indian Penal Code.

Reacting to the FIR, Bharatpur MLA Kabir said: “I am being attacked for saying impassioned things in the service of common people.... Still, I have faith in the law. Even during the CPM’s rule, I had 21 cases against me. This is the sixth during Trinamul’s reign, but I am still here.”