The Enforcement Directorate (ED) has further investigated money laundering after freezing 60 million deposited in 60 bank accounts of Janata Dal United (JDU) MLA Radha Charan Seth after receiving 1.5 crore cash and 11 crore property papers in the previous raid. has increased The investigation into money laundering started after a case was registered with the police regarding illegal sand mining. Now under this, the Patna unit of ED has sent a notice to JDU MLC Radha Charan Seth and his son Kanhaiya for questioning. They have been asked to appear in the office within 15 days with their side.

Investigations were also carried out in June at Anaith and Babu Bazar residences of JDU MLC Radha Charan Seth from Arrah-Buxar local authority seat. On that day a total of 27 locations including Patna, Dhanbad, Hazaribagh and Kolkata were checked. Before that, in February, simultaneous investigation was done at 22 places of JDU EMLC. In February, the Income Tax had taken action against him in the case of tax evasion. The politics of Bihar was hot on that big action. JDU leaders termed it as malicious misuse of government agencies on the instructions of the central government. JDU MLC Radhacharan was not present there when the investigation was going on in Arrah in June. The officials, who arrived with a contingent of CRPF, closed the main gate of the new and old residence of Radha Charan Sah alias Radha Charan Seth.

JDU MLC is accused of increasing his illegal business in association with sand mafia. A case has been registered in Patna's Bihta police station regarding the black business of sand. There is a big game of illegal mining on the sand ghats between Bihta to Ara and in this whole area, apart from JDU MLC, the effect of direct interference of some ruling leaders in Bihar is visible.