New Delhi [India], June 8 (ANI): The National Investigation Agency (NIA) has chargesheeted seven more accused in the sensational Attari 100-plus kilogram narcotic haul case valued at Rs 700 crore, the agency said on Saturday. In its supplementary chargesheet filed under the Narcotic Drugs Psychotropic Substances (NDPS) Act in a special court in Delhi. As per the NIA, the seven chargesheeted accused are key operatives in the international drug syndicate conspiracy related to the case (RC-35/2022/NIA/DLI). All the seven chargesheeted accused are identified as Athar Saeed, Amritpal Singh, Avtar S…