The largest domestic airline by market share had posted a net profit of Rs 577.33 crore in the year-ago period.
Total income from operations stood at Rs 4,090.68 crore in the latest quarter compared with Rs 3,823.27 crore registered in the same period a year ago, the airline said in a release.
Despite lower fuel costs, IndiGo witnessed its total expenses in the March quarter jump nearly 12 per cent to Rs 3,409.86 crore. In the comparable period, the same was at Rs 3,049.79 crore.
The load factor -- an indicator of seat occupancy -- too improved to 85.1 per cent during the period.
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For the year ended March 31, IndiGo's net profit climbed to Rs Rs 1,989.72 crore from Rs 1,304.17 crore in the same period a year ago.
Total income from operations went up to Rs 16,139.90 crore in the year ended March from Rs 13,925.34 crore in 2014-15 fiscal.
IndiGo's President and Whole Time Director Aditya Ghosh said the company made profits for the eighth consecutive year, "with highest ever yearly profits".
InterGlobe Aviation's board has recommended a final dividend of Rs 15 per share for the financial year ended March 31.