India, Aug. 29 -- The Directorate General of Civil Aviation (DGCA) has approved a six-month extension for IndiGo to operate two Boeing 777-300ER aircraft on damp lease from Turkish Airlines. The fresh authorisation, issued on August 26, allows the airline to operate the twin-aisle jets until February 28 next, subject to strict conditions. The development comes after DGCA, in May, provided a final extension till August 31 to operate these aircraft. The extension comes amid strain in ties between India and Turkey, with concerns raised over the latter's ties with Pakistan.P11...