The victim, identified as Kusheshar Yadav (50), was set on fire by his employer Rajesh Kumar, a trader, last night while he was sleeping, Superintendent of Police (SP) Saurabh Kumar Sah said.
Yadav was found dead with several burn injuries this morning. His legs were tied to a cot this morning, Sah said, adding the body has been sent for post-mortem.
The deceased was working for Kumar at his shop for the past ten years, he said.