The officials said Pakistan Army also resorted to mortar shelling in Balakote, Digwar and Kirni sectors along the LoC in Poonch district.
Naib Subedar Ravinder was critically injured in the 5:30 pm incident and he later succumbed, the spokesman said.
Firing and mortar shelling from across the LoC was reported in the Nowshera sector of the district around 3.30 pm and at 5.30 pm, officials said.
Naik Prem Bahadur Khatri and Rifleman Sukhbir Singh sustained critical injuries in the firing and died later, the defence spokesperson said.
A sanction for launching prosecution of the accused in-service public servant has also been obtained from the competent authority.
The official said that a case was registered against the sarpanch and a few others for alleged misuse of the stamp of the revenue official of the rank of patwari.
The junior commissioned officer who was injured in the firing and shelling in Sunderbani sector was later shifted to a hospital, they said.
The Indian Army retaliated befittingly and the cross-border firing between the two sides in Nowshera sector was going on when last reports were received
The cross-border shelling between the two sides was going on when last reports were received.
They said those arrested are residents of south Kashmir and in the 19-25 age group.
They initiated an unprovoked ceasefire violation along the Line of Control in Rajouri by firing shelled mortars.
Shanaz Akhtar was stabbed to death inside her house at village Mohra in the border district on August 30 and the roles of her husband Zulifkar Ali and his helper Mohammad Aslam were under suspicion.
The Pakistani Army violated ceasefire by using heavy fire and mortar shells to target forward areas along the LoC in Rajouri.
On July 10, an Army jawan was killed in a ceasefire violation by Pakistani troops along the LoC in Rajouri district.
The intruder was found moving into this side in Nowshera sector late Friday night and was immediately arrested.