Mumbai: Mumbai airport has been voted the best airport in India in a survey conducted by the Airport International Council, a body of operators who collectively manage over 1,600 airports worldwide.

According to the survey, shorter check-in queues, cleaner toilets, trolleys that work and a great retail experience had put Mumbai on top of the list.

Passengers at 100 airports across the world were asked to rate airports, among other things, on the basis of service, ambience and navigational aids within the terminals.

Mumbai airport scored 3.57 out of 5 - just a little below the industry average of 3.83. While Mumbai came out on top, Delhi followed at a distant 2.6, the survey said.

In all, 21 Asian airports were surveyed. Among them, Kuala Lumpur came out the clear winner.

Mumbai's Chhatrapati Shivaji International Airport (CSIA) is being modernized and upgraded by Mumbai International Airport Pvt. Ltd. (MIAL), a joint venture between the GVK-SA consortium and the Airports Authority of India (AAI).

MIAL was awarded the mandate of modernizing and upgrading it in April 2006. CSIA is India's busiest airport and catered to 25.8 million passengers and 533,593 tonnes of cargo in 2007-08.