BSF DIG, R K Kataria said the heroin was seized near the Pulmoran Border Out Post in Amritsar Sector, near the Attari-Wagah border.
Giving details, he said BSF troops heard some suspicious sound on the other side of the barbed fence early today but nothing could be observed due to dense fog.
Subsequently, a special search operation was launched and BSF troops recovered four packets, of one kg each, of heroin lying from in between the International Border and the barbed fence.