New Delhi: Enforcement Directorate has made its first arrest in a money laundering case against industrialist Anil Ambani, on Saturday. Reports reaching The Savera Times said that Managing Director of Biswal Tradelink Pvt. Ltd. (BTPL), Partha Sarathi Biswal, was taken into custody under the provisions of the Prevention of Money Laundering Act (PMLA), 2002. Earlier.