Vikash, has been brought from the Jharkhand capital to the ED's zonal office in Delhi, after a Ranchi local court gave the Directorate his custody for 10 days.

Sources said his interrogation has begun.

The ED has framed charges against Vikash, brother of Koda aide Binod Sinha, under sections 409 (criminal breach of trust), 420 (cheating), 465 (forgery), 120-B (criminal conspiracy) of the IPC and other provisions of the Prevention of Corruption Act.

"He will be interrogated about money laundering and Hawala deals that he carried out on behalf of Koda and his men. He is the link to the activities of one of Koda's main associates and his brother Binod Sinha, who is still to depose before us," an ED source said.

Vikash has accepted during questioning by the IT department that he carried a cash of Rs 40 crore from Ranchi to Kolkata and transferred the money for alleged hawala transaction on behalf of his brother Binod and Koda, the ED had claimed earlier.