Varun Gambhir (27) was arrested for illegally running the two-storeyed unit in central Delhi's Ranjeet Nagar area.
A blaze yesterday at the factory left six workers, including four women, dead and injured 11 others.
Five of the deceased have been identified as Puja (18), Soni (22), Draupadi (35), Piyush (25) and Rahul (25). The identity of the remaining woman victim is yet to be established. The injured are being treated at a city hospital, police said.
According to an eyewitness, several workers were inside the factory when the fire broke out on the ground floor of the building, which is located in a congested area.
The blaze had engulfed the entire building by the time the fire tenders managed to reach the spot, the fire department official added.
