(a) whether the Air India has been operating only all economy class flights for Delhi-Bhubaneswar-Delhi Sector since February, 2017;
(b) if so, the details thereof and the reasons for withdrawing business class from such flights meant for the said sector;
(c) the norms/criterion being followed by the Air India for operating all economy flights/withdrawing business class from its flights for the said sector;
(d) whether the Government has conducted any study on the revenue loss on account of withdrawing business class from its flights for the said sector;
(e) if so, the details thereof and if not, the reasons therefor; and
(f) the other steps taken/being taken by the Government to restore business class in the said flights?