The man was identified as Tariq Mahmood, a resident of Chai Nalla village of Samahani Tehsil in Bhimber district of PoK.
The firing and shelling from across the border in Shahpur and Kirni sectors were retaliated by the Indian Army.
This was the third ceasefire violation by Pakistan in the border district in as many days.
240 of these missiles have been procured from Israel by the Army to meet its emergency requirements.
The Indian Army guarding the LoC retaliated to silence the Pakistani guns and the cross-border firing between the two sides in Sunderbani sector was going on when last reports were received.
The officials said the whole area was cordoned off and further details of the incident were awaited.
The unprovoked firing of mortar shells in Shahpur sector started around 10.15 am, prompting befitting retaliation by the Indian Army, a defence spokesperson said.
Pakistan fired at forward posts along the LoC around 2.30 am in Krishnaghati sector in Poonch, in which the Army personnel was killed, the official said.
The shelling from across the border took place in Sunderbani sector around 6.30 a.m., prompting a retaliation by the Indian Army.
The LoC has already witnessed a major rise in firing and shelling by Pakistan since Article 370 granting special status to Jammu and Kashmir was revoked.
The area has been cordoned off and the exchange of fire is underway.
The mortar shelling from across the border started in Balakote area of Mendhar sector.
Four launch pads in Neelam valley of PoK were targeted and fatalities have been reported, sources said.
The Pakistani troops violated the ceasefire in north Kashmir's Uri sector by resorting to unprovoked firing on Indian posts, the official said.
In response, Pakistan troops targeted Indian Army posts which were 'substantially damaged' and there was also reports of casualties of Indian troops, the statement said.