Jumman (60) his wife Qumar (55) and daughter Simran (16) were killed in the explosion this morning, they said.
Exact cause of explosion could not be ascertained yet but initial probe suggest the Jumman, who was involved in preparing crackers had stored explosives in the house.
Forensic teams have collected the samples from the debris of the Jumman's house.
The relatives of Jumman, however told police that explosion took place due to leakage of LPG cylinder.
Police is probing the matter and bodies of victims have been sent for postmortem examination.