Dr. Reddy's Laboratories today reported a loss of Rs 3.54 crore on a consolidated basis for the third quarter ended December 31, 2004 when compared with a profit of Rs 57.68 crore in Q3FY04.According to a release posted on the company website, net sales, according to Indian GAAP, declined to Rs 440.66 crore as against Rs 486.31 crore in Q3FY04.