Mid-tier IT company Mindtree on Friday posted y-o-y growth of 63% in net profit for the quarter ended December, helped largely by forex gains. The company reported net profit of R98.8 crore as against R60.6 crore a year ago. Revenue for the quarter grew 13.5% to R590 crore on a y-o-y basis. Its shares closed at R755.95, up by 1.47% on the BSE on Friday.