According to Army officials, the firing at Poonch sector began at 7 am on Saturday.
More details of the latest ceasefire violation are awaited.
Pakistani troops had violated ceasefire and opened fire at least four times the month of July.
On July 22, Pakistani troops opened small arms firing at Indian posts in forward area along LoC in Poonch. Indian troops guarding the border had retaliated, resulting in exchanges.
On July 3, Pakistani troops had fired at policemen, who had gone to LoC at Sabzian in Poonch to collect the body of a Pakistani intruder killed in IED blast.
The Pakistani troops had again fired at Indian soldiers on July 8 while they were trying to evacuate injured porters along LoC in Poonch.
On July 12, Pakistani Rangers opened fire at Indian forward posts in Pindi belt along International Border (IB) in Jammu district.
(With PTI inputs)