(a) whether the Government are aware that sub-standard Jet fighter planes were purchased from Russia between 1985-90;
(b) whether the Government have conducted a detailed inquiry in this regard?
(c) if so, the details thereof and the persons held responsible for the same;
(d) whether there was a serious dislocation in defence preparedness because of these sub-standard purchases; and
(e) if so, the remedial steps taken in this regard?