Anirudh Prasad alias Sadhu Yadav, RJD MP and brother-in-law of Railway Minister Laloo Prasad Yadav, was interrogated on Monday for nearly three hours by the state Vigilance Bureau in connection with the multi-crore flood relief scam.Yadav was quizzed by a battery of officials led by investigating officer Ashok Kumar Singh, SP (Vigilance), over the alleged transfer of Rs 6 lakh into his account by alleged flood relief scam kingpin Santosh Jha, Bureau sources said. The sources refused to divulge details of the interrogation.Additional DGP (Vigilance) Neelmani said Yadav’s statement would be verified. Emerging from the Vigilance office, Yadav said: ‘‘I gave reply to every question they put to me.’’ He refused to give details. Yadav was issued a notice on November 29 to appear before the Vigilance Bureau. —PTI