The man, Rajib Paul, who was seriously injured in the blast died in hospital this evening," Guwahati City Senior Superintendent of Police Anand P Tiwari told PTI here.
GMC Hospital Superintendent Ramen Talukdar said Paul was hit by a pellet in the stomach resulting in excessive blood loss.
At least 15 persons were injured injured in the blast July 28 at the busy Paltan Bazar area here.