The occurrence purportedly occurred on Sunday at Mirza, which is around 40 km west of Guwahati.
Mr Mahanta, who endured wounds to his neck, head and ears, has documented an FIR (first data report) with the Palash Bari Police Station, where he said his attackers were gamblers.
Milan Mahanta had as of late finished a progression of information investigates betting in rustic zones of Assam in front of Diwali.
The police have captured one individual up until now. Police sources said they are as yet looking for the others.