Generics Indian drug firm Zydus Cadila says it has acquired a 100% stake in Biochem, described as one of the top 40 pharma companies in India, for an undisclosed amount. A privately-held company headquartered in Mumbai, Biochem is a well-integrated pharma player with a presence in the antibiotics, cardiovascular, anti-diabetic and oncology segments. Biochem has reported sales of 2.65 billion rupees ($42.2 million) for the year 2010-2011. 21 December 2011