Chennai Air Customs busted a drug smuggling gang and arrested four after the team intercepted a courier parcel suspected to contain narcotics substance destined for Australia. The parcel had masala packets which were found to be tampered with. 37 plastic pouches were recovered from inside of these spice packets. The powder tested positive for pseudoephedrine and a total of 3 kg of it valued at Rs. 30 lakh was recovered and seized under the NDPS Act, 1985.