A case under sections 21, 22, 24, 25, 27, 28, 29, 30 of the Narcotics Drugs and Psychotropic Substances (NDPS) Act has been registered in police station Sadar Jalalabad and the entire heroin smuggling network is being investigated under the supervision of, DIG Ferozepur Range Amar Singh Chahal and Fazilka SSP Swapan Sharma, stated a press note issued by Bathinda Zone IG.