Net profit of Kovai Medical Center & Hospital rose 75.00% to Rs 1.61 crore in the quarter ended March 2007 as against Rs 0.92 crore during the previous quarter ended March 2006. Sales rose 19.69% to Rs 16.17 crore in the quarter ended March 2007 as against Rs 13.51 crore during the previous quarter ended March 2006.