It has sent questionnaires to the ministry, to know the basis on which it had recommended names of companies to the screening committee for allocation.
Senior CBI officials indicate once the questionnaires are answered, it is likely the agency will call some officials for questioning.
Earlier, CBI sent questionnaires to the coal ministry as well, on details of the decisions and recommendations made by the latter.
Interestingly, CBI has asked for details pertaining to the period when Sushilkumar Shinde was minister; he now heads the ministry of home affairs.
CBI had registered a case against five private companies on September 4 and carried out raids across 10 cities to get documents used by the companies to allegedly misrepresent crucial details before the screening committee at the time of allocation.
Although CBI has yet to name any government official and has also
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