Umang Vohra has been appointed executive vice president and head of Dr. Reddy’s Laboratories North America Generics Business, effective January 2013. Mr. Vohra previously served as chief financial officer of the company for the past four years. Saumen Chakraborty has been appointed to replace Mr. Vohra. Mr. Saumen previously served president and global head of Quality, HR and IT & Business Process Excellence (BPE) at Dr. Reddy’s.