Speaking on the occasion, Dr Singh said that Ram Jethmalani was a maverick with a difference.
Searches are being conducted on Friday at 12 locations including Delhi, Patna, Ranchi, Puri and Gurgaon.
The Re 1 cut in diesel prices could lead Railway Minister Lalu Prasad Yadav to announce a reduction in passenger fares in the forthcoming Railway Budget.
Railway Minister Lalu Prasad Yadav has hinted at a people friendly railway budget, which will be presented on Feb 26.
Members of the Rajya Sabha and the Lok Sabha on Saturday debated and discussed the issue of the Jan Lokpal bill, for which activist Anna Hazare has been on a hunger strike since the last 12 days.
The minister said he was against "blanket privatisation of the railway system but the private sector was being encouraged to participate with the railways in the development of its non-core activities."
The demand comes in the backdrop of the UPA government granting a special Rs 3,225 crore package to Bihar, ruled by key UPA constituent Rashtriya Janata Dal, in the Union Budget 2004-05 ahead of the assembly elections in the state.