Mumbai - Directorate of Revenue Intelligence has arrested drug-mafia Subhash Dudhani and seized drugs worth 4000 crores. DRI arrested Subhash at Mumbai airport when he was trying to flee. During the investigation, drugs racket was also unearthed which spread from Udaypur to Saudi Arabia. As per the information, the drugs were exported to countries like Saudi Arabia and South Africa. DRI raided Dudhani's three companies in Udaypur and seized a whooping 23,500 kg Mandrax tablets.