Jaypee Infratech today posted 40 per cent decline in its net profit at Rs 237.78 crore for the quarter ended June 30,2011. The company had reported a net profit of Rs 394.83 crore during the corresponding period last fiscal. Net sales of the company rose 3.35 per cent at Rs 616.97 crore as against Rs 596.95 crore during the same period last fiscal,Jaypee Infratech informed the BSE. Jaypee Group has interests in areas like engineering and construction,power,cement,expressways,real estate and hospitality among others. The company has so far incurred an expenditure of over Rs 10,000 crore on its Yamuna Expressway Project. Shares of the company closed at Rs 41.20,down 1.08 per cent on the BSE.