New Delhi, Feb. 10 -- An appellate tribunal that deals with money laundering cases has upheld the Enforcement Directorate's attachment of a coffee estate belonging to senior Congress leader and former finance minister P Chidambaram's son Karti Chidambaram in connection with the INX Media money laundering probe.

The ED has alleged that P Chidambaram and his son Karti were the beneficial owners of several shell companies incorporated in India and abroad for transferring bribes for a Foreign Investment Promotion Board (FIPB) approval given to the INX Media group during the former's tenure as the Union finance minister.

The agency has claimed that funds generated as proceeds of crime due to the approval granted by FIPB to INX Media were lau...