Three Samajwadi Awas Yojana contractual workers died on the spot and three were injured when a grinding machine they were pulling touched a high tension power line, Additional Superintendent of Police O P Singh said.
The three deceased labourers were identified as Anil (26), Munshi (23) and Balaji (35), police said, adding the bodies have been sent for postmortem.
The three injured were rushed to a nearby hospital. One of the seriously injured was referred to a Delhi hospital, they said.