MOHALI, June 30 -- The Punjab Vigilance Bureau (VB) has intensified its investigation against Shiromani Akali Dal (SAD) leader and former minister Bikram Singh Majithia in connection with a disproportionate assets case linked to drug money laundering worth over Rs.540 crore.

Majithia was arrested on June 25 from his residence in Amritsar under the Prevention of Corruption Act and remains in vigilance custody. He is scheduled to be produced in court on July 2.

On Monday, former Akali leader Maninder Singh Aulakh, also known as Bittu Aulakh, who is now with the BJP, and Amritsar-based businessman Jagjit Singh Chahal recorded their statements against Majithia at the vigilance office in Sector 68, Mohali.

Speaking to the media after his de...