New Delhi, Sep 10 (Inditop.com) The Central Bureau of Investigation (CBI) Thursday questioned former union minister and National Commission for Scheduled Castes (NCSC) chairman Buta Singh in connection with a graft case involving his son Sarabjot Singh, an official said.

“A two-member CBI team questioned Buta Singh at his (Lok Nayak Bhavan) Delhi office,” CBI spokesman Harsh Bhal told Inditop.

Bhal said the “detailed questioning began at 11 a.m”.

But the spokesman refused to divulge details. “This is part of the investigation and nothing more can be said.”

Buta Singh had Aug 31 told the Delhi High Court that he was ready to cooperate with the CBI in the bribery case against his son.

He had earlier defied the probe agency saying it has no authority to question a constitutional functionary having powers of a civil court. Singh, who was also governor of Bihar, had said the central government’s sanction was necessary to question him.

On July 30, Sarabjot Singh alias Sweety was caught allegedly while taking a bribe of Rs.1 crore (Rs.10 million) from a Nashik-based contractor in return for facilitating the withdrawal of a case of atrocities against the Scheduled Castes filed against him.

He was taken to Mumbai the same night and subsequently arrested. He was later freed on bail.