New Delhi, Jan. 26 -- : We continue our resolve to build a world-class infrastructure as far as our efforts are concerned, said Airports Authority of India (AAI) chairman Arvind Singh on Sunday.

Singh, who was speaking at the Republic Day function organised at the Air Traffic Control building here, said: "We will be stepping up our efforts to build world-class infrastructure by expanding existing airports and building new greenfield airports."

"Along with that, we will continue to be very responsible citizens of the country. The Airports Authority of India will continue with its efforts to aid environmental consciousness," said Singh.

He said the AAI has banned the use of plastic at airports and are using renewable energy at our airports...