Bahadur, in his 20s, who used to work in the eatery, was beaten up by a co-worker and his friend following a quarrel last night, a police official said.
He was rushed to LNJP Hospital where he died during treatment, the official said, adding there were injury marks near his eyes.
The post-mortem report is awaited while the two men with whom Bahadur had a fight are being questioned, police said.