Large-scale narco-trafficking through the Indo-Pak border, since Gen Pervez Musharraf came to power in a coup, and the sharp spurt in drug syndicates operating between Sri Lanka and Tamil Nadu have become the focus of the drug enforcement agencies fight against drug-running. This is manifest in the unprecedented seizures of heroin in the last four months which have led the Narcotics Control Bureau (ncb) and the Central Bureau of Narcotics (cbn) to believe that international narco-trafficking organisations are channelling their flows through India.