The company reported a net profit of Rs 460.4 crore in the quarter-ended March 31, but the revenue dropped by 1.6 percent YoY to Rs 3,783 crore Lupin | Company received approval from USFDA for Sulfamethoxazole and Trimethoprim Oral Suspension, which is used to treat bacterial infections. Drugmaker Lupin net profit (profit after tax) grew 18.2 percent year-on-year (YoY) to Rs 460.4 crore in the quarter ended March 31 led by cost optimisation and growth in India and other emerging markets.