Air India has extended the period to submit dry lease proposals for up to 19 new Airbus A320s by three weeks.
The Indian carrier first approached operators in August as it seeks to lease the aircraft for up to six years, with deliveries commencing from the fourth quarter of 2013, according to the tender documents.
It also specifies that the aircraft should be fitted with sharklets and CFM International CFM56-5B4/3 performance improvement package engines. The aircraft would have to be delivered in an all-economy layout of up to 180 seats without in-flight entertainment.
Bids, which were originally due on 3 September, have been extended to 24 September.
Flightglobal's Ascend Online Fleets database shows that Air India operates of 21 A320s, of which four are powered by CFM56 engines. It also has 24 A319s and 20 A321s in service.