"Karooja Fujeeta's hands got trapped in the machine, which he was repairing and which abruptly started working," police said.
Besides Fujeeta, another company official Chhabata, who too was working there, sustained serious injuries, they said.
The injured official was brought to the local trauma centre where the doctors referred him to a private hospital in Gurgaon.
A senior police official said that the proceedings regarding the post mortem examination would be conducted after the engineer's relatives reach here from Delhi.