The deceased was identified as Prabhulal Ramnath.
The incident took place at a construction site in Sangharsh Nagar in Sakinaka, a senior police official said.
Prabhulal was fitting a pipe when suddenly he fainted at around noon. He was declared brought dead at hospital.
The cause of death was yet to be ascertained, but a security guard at the site said that he died of electric shock, the official said.
Further probe is on.