Assam Chief Minister Tarun Gogoi this afternoon formed the commission under Additional Chief Secretary Amili Chaudhary, official sources said.
Directing arrest of all the culprits, Gogoi ordered immediate disciplinary action against police officials found guilty of dereliction of duty over the incident.
Gogoi's decisions came hours after peasant leader Akhil Gogoi demanded imposition of President's Rule in Assam for 'worsening' law and order situation in the state.
Opposition BJP also took out a protest rally here today against the 'failure' of the state government on the law and order front.
Meanwhile, a fourth person was arrested in connection with the incident. The four were among the 16 persons identified in connection with the incident that occurred in front of a bar on Guwahati-Shillong Road on Monday night, which led to a public outcry after a video of the assault by a TV channel was uploaded on Youtube.
