Mohali District Court on Tuesday extended Shiromani Akali Dal (SAD) leader Bikram Singh Majithia's judicial custody in a drug smuggling probe till March 22. He had been earlier remanded to judicial custody till March 8 after being booked under relevant sections of Narcotic Drugs and Psychotropic Substances (NDPS) Act in December. Majithia contested Punjab Assembly polls from Amritsar East seat.