(a) whether the Airport Economic Regulatory Authority has directed Delhi International Airport Private Limited (DIAL) to reduce the aeronautical charges;
(b) if so, the details thereof;
(c) whether DIAL has not yet reduced the said charges;
(d) if so, the details thereof along with the reasons therefor; and
(e) whether the International Air Transport Association has criticized DIAL for not reducing the aeronautical charges and if so, the details thereof?