Authorities imposed curfew in all the 10 districts of Kashmir on Tuesday to prevent post Eid prayer protests called by the separatists.Authorities disallowed Eid congregation in Srinagar and all others major cities and towns to avoid large scale violence. People could offer prayers only in mosques.Police constable, Rouf Ahmed, who was injured in a gunfight in Srinagar's Nowhatta area on August 15, succumbed to injuries earlier on Tuesday.Militants hurled a grenade at the Sherbagh police station in Anantnag town on Monday evening which killed civilian, Bilal Ahmed on the spot with 17 others injured.Except clashes in Batamaloo area between a stone pelting mob and security forces, no reports of any major violence was reported so far.