GMR Group-led DIAL, which manages and operates India's largest airport, recently requested the AERA to double the user development fee (UDF) for international business and first-class travellers compared to economy and premium economy over the next four years. It has also sought higher UDF for all domestic passengers flying during peak hours -- 5 am-8:55 am and 5 pm-8:55 pm.
Delhi International Airport Limited (DIAL), which operates India's largest airport, dismissed the expert committee report as "inaccurate", claiming it relied on "probabilities, hypothesis, and conjectures" rather than empirical data or complete documentation.