GMRINFRA GMR Airports Infrastructure Ltd Expansion Plans Announcement 2025 - Tariff Increase GMR Airports Ltd announced that the Airports Economic Regulatory Authority of India has increased the aeronautical tariffs for Delhi International Airport by about 148%, effective from March 31, 2029, with a new yield per passenger of Rs. 360 compared to the previous Rs. 145..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for GMR Airports Infrastructure Ltd