Authorities on Sunday imposed restrictions in parts of Srinagar to prevent protests in the wake of a 12-year old boy's death due to pellet injuries."Restrictions have been imposed in areas falling under the jurisdiction of seven police stations in Srinagar to maintain law and order," a police official said."Adequate deployment of security forces have been made at other places," he said here.Authorities had clamped curfew in seven police station areas here on Saturday as Junaid Ahmad Bhat, 12, died in a local hospital after he was admitted with pellet injuries in Saidpora area on Friday.Locals and the ruling Peoples Democratic Party (PDP) said the boy had not been part of any protests and his death should be probed.Life across the valley remained paralysed for the 93 consecutive day on Sunday due to the separatist called protest shutdown.All educational institutions, public transport and main markets have remained closed in the valley.At least 91 people have been killed and over 12,000 injured in the present violence that started here on July 9, a day after Hizbul commander, Burhan Wani, was killed in a gunfight with the security forces.