In his police complaint, Sanjay said about a month ago, he was transporting iron sheets via an elevator, when due to overloading it went into freefall, police said.
The victim claimed that the iron sheets fell on his left leg, injuring him badly, after which he was rushed to hospital, they said.
After about a month-long treatment, doctors were forced to amputate his leg, leaving him disabled, they said.
Police have registered a case and investigation is on.