<P> Terminal 1 is currently used by low cost carriers IndiGo and SpiceJet . DIAL is working to expand Terminal 1 and enhance its annual passenger handling capacity from the current 18 million to 30 million within four years by year 2022 . </P> <Dl> <Dt> Terminal 1A </Dt> </Dl> <P> Terminal 1A was built in the late 1980s to cater to Indian Airlines . It had to be refurbished after a fire gutted the interiors and DIAL significantly upgraded the terminal . It was used by Air India for its airbus operations until it shifted to the new Terminal 3 on 11 November 2010 . The terminal is now closed and is expected to be torn down on the completion of newer terminals . </P> <Dl> <Dt> Terminal 1C </Dt> </Dl>

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