One Indian Army jawan lost his life in the ceasefire violation by Pakistan Army in the Rajouri sector of Jammu and Kashmir, Army sources informed.Pakistan on Wednesday initiated unprovoked ceasefire violations by firing with small and heavy weapons and shelling with mortars in Manjakote, Keri, Balakote and Karol Maitran sectors in Jammu and Kashmir's Rajouri, Poonch and Kathua districts.