Vishnu Kumar, a contractor of Saharsa district, was consuming liquor at a house along with his associates late last night when unknown assailants attacked them and killed Kumar and one of his associates, Shambhu Shah, Superintendent of Police Dilip Kumar Mishra said.
The assailants deserted both the bodies in an isolated place, the SP said.
Later, police recovered the bodies and sent them to Sadar hospital for post-mortem.
Protesting against the killings, locals sat on a dharna for sometime, he said.