New Delhi, Aug. 21 -- Passengers arriving at Bengaluru airport will pay a user development fee (UDF) for the first time from September- Rs.125 for domestic and Rs.426 for international passengers, as the air tariff regulator, Airports Economic Regulatory Authority of India (Aera), resets the tariff structure at the country's third largest airport.

Significantly, Aera has set a lower UDF as the starting or minimum tariff, while allowing additional charges to be added as airport expansion projects are commissioned and put to use.

This means the charge passengers pay in four out of five years will be lower, but the tariff can rise again as Bangalore International Airport Ltd (Bial) brings new infrastructure onstream. Bial, a PPP consortium...