New Delhi, Feb. 18 -- The International Air Transport Association (IATA) has opposed Delhi International Airport's proposal for a variable tariff structure for five years beginning April 2025, saying the differential pricing structure is onerous and discriminatory.

Last week, the GMR Group, which runs the Delhi International Airport, proposed to hike the user development fees to the Airports Economic Regulatory Authority of India (AERA) in the range 100% to 1,000%. Under the proposal, Delhi International Airport wants to levy a higher price for international business class passengers than economy class passengers. The Delhi International Airport also has proposed a hike in the landing and parking charges for aircraft.

If the proposals a...