India News: Vijay Singla, nephew of Railway Minister Pawan Kumar Bansal, and three others were on Saturday sent in CBI custody for four days by a Delhi court which said it was necessary to find out the 'actual beneficiaries' and other conspirators who were involved in the bribery case.

Special CBI Judge Swarana Kanta Sharma allowed the agency to interrogate Singla and three other persons Sandip Goyal, Dharmendra Kumar and Vivek Kumar till May 7.