The case is under the Prevention of Money Laundering Act (PMLA) against Lalu Yadav, wife Rabri, son Tejashwi and others in the BNR case.
The Enforcement Directorate has registered a money laundering case against Rashtriya Janata Dal (RJD) leader Lalu Prasad and his family members in a railway hotel allotment corruption case.
The CBI is already investigating the case which involves allegations of irregularities in awarding the tender for development, maintenance and operation of BNR Hotels in Ranchi and Puri, awarded to the privately owned Sujata Hotels in 2006.
The CBI had filed a case of corruption against Yadav for leasing prime rail properties for a very low rental in lieu of expensive real estate.
The ED money laundering case was filed day before yesterday, officials said.