(a) whether the Government is planning to in traduce BS-VI fuel for vehicles in the country and if so, the details thereof and the time by which it is likely to be introduced;
(b) the details of the number of States in which BS-VI fuel will be introduced initially including the price at which it will be available in these States, State/Price-wise; and
(c) whether it is likely to be very costly initially, if so, the details thereof and the reasons therefor and the time by which it will be provided at the reasonable rate in the country?