The incident took place in the late afternoon with the deceased having been identified as Dheeraj, Robin, Yogesh (all 23 years), Suresh (24) and Parveen (25).
One of their friends informed police but it was too late by the time help arrived.
"We got a call at 4:20 P.M. After which a rescue team reached the spot.
"The five youths were rushed to GTB Hospital where they were declared dead," a fire official said.
Police are investigating the case although any foul play has been prima facie ruled out.