The deceased boy has been identified as Israr Ahmad of Karni sector.
At least, one child has been killed and five other civilians have been injured in the attack.
On Friday, Pakistan army said Indian firing killed two civilians and a trooper on their side.
Heavy shelling occurred in the Kerni and Digwar sectors early morning today, ANI reported.
Pakistan has violated ceasefire numerous times in the last few months.
"Indian troops resorted to unprovoked cease-fire violation along LoC in Rakhchikri, Rawalakot targeting civil population with heavy weapons", a statement issued by Pakistan military's Inter Services Public Relations (ISPR) said. The forces killed an infiltrator.
The official added that the Pakistani forces targeted dozens of villages and posts in Shahpur, Kerni and Qasba sectors. On September 24, two soldiers were injured in exchange of fire in Poonch district's Balakote sector.