Last week, the noose seemed to be tightening around Rai, who had quit the Government in 1994 after details of the sugar scandal became public. The CBI filed chargesheets against Rai, his personal assistant S.P. Rai, B.B. Sharan Singh, his assistant Sanjay Singh, and Sabu Chako who has long been under investigation for alleged links with Dawood Ibrahim.