Jet Airways (India) Ltd’s net profit more than doubled in the June quarter as healthy domestic growth offset muted earnings from its global operations. It was also bumped up by higher other income and gains on foreign exchange. Profit rose to Rs53.5 crore in the three months to June from Rs25.88 crore a year ago.Revenue at the airline run by Naresh Goyal increased 11.4% to Rs5,953.92 crore from Rs5341.26 crore last year.A higher other income during the quarter that included income from the completion of a real estate development project and gains on account of foreign currency fluctuation, also boosted profits.