Hyderabad-based Divi's Laboratories has received a letter of approval from the ministry of commerce for setting up a sector-specific special economic zone (SEZ) for pharmaceutical ingredients at Chippada, Bheemunipatnam in Visakhapatnam. The Business Standard (http://www.business-standard.com/common/storypage_c.php?leftnm=11&bKeyFlag=IN&autono=987)