"Indira Gandhi International Airport, Delhi and Chhatrapati Shivaji Airport, Mumbai had achieved Airport Service Quality rating of 4.24 and 4.05 on scale of 0-5 for July-September in 2009," civil aviation minister Praful Patel said in reply to a Lok Sabha query.
The minister said under the agreement between the Airports Authority of India and the joint venture companies -- Delhi International Airport Limited and Mumbai International Airport Limited -- 'the target rating after completion of the stage 2 shall be 3.75 on the scale of five.'
The stage II of development of the Delhi airport is expected to be completed by 2016. Patel added the two companies had undertaken several initiatives to improve the satisfaction levels of customers.
While replying to another query, the Minister said DIAL and MIAL have collected Rs 323.11 crore (Rs 3.23 billion) and Rs 119.75 crore (Rs 1.19 billlion) as development fees respectively till October this year.
He added that funds collected will be utilised only for construction of assets, which can be transferred to the AAI on the completion of their lease period.