The accident occurred around 4.12 am at the site of a 26-storey under-construction building

The under construction building is located at Bhim Nagar in the Vartak Nagar area of Thane district, the civic official said

Jairaj Sardar, a resident of Bhim Nagar, fell off a building and landed on the protruding iron rods at the construction site, the officials said

A rod pierced the man's waist, and workers at the construction site used a grinder machine to cut the rod on either side to extricate him safely, they said

The injured man is undergoing treatment at Kalwa Civic Hospital, he said

On receiving an alert, local firefighters and a disaster management team rushed to the scene, an official said