(a) whether Patna Rajdhani Express has only twelve coaches owing to which the passengers have to face a lot of difficulties and seldom getting their tickets confirmed;
(b) if so, the details in this regard;
(c) whether the Railways propose to increase the number of coaches from twelve to sixteen in this train so as to enable the passengers get reservation easily;
(d) if so, the time by which it is likely to be done; and
(e) if not, the reasons therefor?