CHANDIGARH, Nov. 6 -- The Punjab Vigilance Bureau (VB) has written to the Enforcement Directorate (ED), seeking an investigation into the Rs.736.96-crore alleged money laundering case involving Shiromani Akali Dal (SAD) leader Bikram Singh Majithia.

The vigilance investigation points to an extensive financial network used to generate, route, layer and conceal unaccounted wealth through family members, close associates, multiple companies and foreign entities, an official statement claimed.

"The investigation identifies Bikram Singh Majithia as the mastermind and primary beneficiary of the money laundering network. The probe into the drug money trail, including money claimed to have been generated through drug sales, has brought Rs.736.9...