New Delhi: Protesting delayed payment of salaries and allowances, a section of Air India pilots on Wednesday warned they would not undertake flying duties from April 1 if their dues were not cleared by then. Air India pilots' LetterPromotedListen to the latest songs, only on JioSaavn.comAlso ReadAir India Offers Full Fare Refunds As Flight Operations Hit Due To Heavy Rain In MumbaiAir India Announces Full Refund, Vouchers To Fliers After 30-Hour DelayDiverted Air India Flight Takes Off For San Francisco