The ultras opened fire on the convoy of 8th Battalion BSF near Chanapora bridge in the outskirts of the city this morning, resulting in injuries to three constables, the police said.
The three injured personnel were admitted to 92 Base Hospital of the Army at Badamibagh cantonment, where one of them, constable Kalita, who had suffered a bullet injury to his ear, succumbed, the police said.
The condition of two other jawans -- constables Hem Singh and Saikia -- was stated to be stable.
This is second attack on security forces in as many weeks.
On March 13, five CRPF personnel were killed and several others injured in a suicide attack by Lashkar-e-Toiba militants in Bemina area of the city.
Two militants were killed in retaliatory action, while police has arrested four persons including a Pakistani national in the course of investigations into the attack.