Dr. Reddy's Laboratories dropped 4.2% on weak Q4 results. The company's net profit fell 16% to Rs 481.60 crore on 4% increase in revenue to Rs 3480.90 crore in Q4 March 2014 over Q4 March 2013. The company announced results during market hours. The fall in net profit was partly due to base effect. The company had received one-time settlement income of Rs 120 crore from Nordian Inc (formerly MDS Inc) in Q4 March 2013. The company also said during market hours that board of directors of the company has decided to have separate roles of the Chairman of the company and Managing Director and CEO. The company has appointed Satish Reddy as Chairman of the Board. He previously held the position of Vice-Chairman, Managing Director and COO. GV Prasad will continue as the CEO. He has also been appointed as the Co-Chairman and Managing Director.