Militants opened indiscriminate fire targeting people coming out of the mosque after Friday prayers in Sopore on Feb 5.
Two people including a head constable of Jammu and Kashmir police were killed in the attack.
The police said that two militants emerged from a nearby orchard in the Northern Kashmir town and opened indiscriminate fire on the crowd.
Apart from a militant and a policeman being killed, another man was critically injured.
This act of terrorism comes after the Lashkar-e-Toiba's front organisation held the conference in PoK on Thursday, Feb 4 ahead of the SAARC conference where foreign secretaries of India and Pakistan are expected to meet.