It will operate two direct daily flights on the Hyderabad-Nagpur-Hyderabad sector, and thrice daily on the Hyderabad-Mangalore-Hyderabad sector from March 25, the airline said, adding it will also operate two direct daily flights on the Chennai-Mangalore-Chennai sector from May 1.
IndiGo's current fleet comprise 155 aircraft -- 151 Airbus A320s and four ATRs.
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"We are continuously striving to expand deeper into the heartland with our new ATR fleet. We are hopeful that these flights will provide more choices to customers," IndiGo spokesperson Wolfgang Prock-Schauer was quoted as saying in the release.
The Gurugram-based no-frills airline operates over 1,000 daily flights connecting 50 destinations.