Jaan Mohammad, a mechanic, was repairing a factory lift in Narela when the lift malfunctioned.
"Mohammad was found dead in the lift on the third floor of a factory named AM/Satyam Plastic. The lift malfunctioned and started moving suddenly when the deceased was closing its manual door," Deputy Commissioner of Police, Rishi Pal told IANS.
The factory owner, Magh Raj, was being questioned in the matter, Pal said.