(a) the total number of companies which have been bestowed ''Maharatna'' and ''Navratna'' status by the Government along with the criteria for granting such status to companies during the last three years and the current year;
(b) the details of the ''Maharatna'' and ''Navratna'' companies whose performance have been below par with respect to above said standards during the last three years;
(c) whether the Government proposes to withdraw ''Maharatna'' and ''Navratna'' status from the companies whose performance is below such standards and if so, the details thereof; and
(d) whether the Government proposes to grant ''Maharatna'' and ''Navratna'' status to some more companies and if so, the details thereof?