(a) whether the Union Government proposes to revise royalty rates of coal;
(b) if so, the details thereof and if not, the reasons therefor;
(c)whether the coal bearing States have suffered any loss on account of non-revision of rates of coal royalty during the last three years;
(d)if so, the details thereof, State-wise;
(e)whether the Government proposes to compensate the States for the said loss; and
(f)if so, the details thereof, State-wise and if not, the reasons therefor?