On receiving information, Directorate of Revenue Intelligence (DRI) officials examined a container loaded with cotton legging material meant to be exported to Malaysia and found Pseudoephedrine, a "controlled substance covered under the Narcotic Drugs and Psychotropic Substances (NDPS) Act, 1985."
A total of 23.9 kg of pseudoephedrine, valued at Rs 4.78 crore, was found concealed in bales of cotton dyed fabric, ie. the legging material, the DRI said in a release.
Meanwhile, officers who were keeping surveillance on the gang, came to know that the mastermind and others behind the two incidents planned to escape from Chennai and "chased them and intercepted them" on a national highway at Chengalpattu near here today.
DRI identified the arrested as Syed Musafar Sadiq, allegedly the mastermind, SM Sirajudeen, Sathish and V Packiakumar.