Exp	VIRCHOW LABORATORIES LIMITED  Virchow Group comprises of six active pharmaceutical ingredient  API  and drug intermediate manufacturing units and two biotech units  Incorporated in 1981  the flagship company of the group  Virchow Laboratories Limited is today the largest producer of Sulfamethoxazole in the world  In fact  Virchow Group services more than 80  of the worldwide Sulfamethoxazole requirement  Other group companies are leading manufacturers of Ranitidine  Cephalosporins and various other APIs and bio  pharmaceuticals  Virchow also undertakes custom synthesis and manufacture of drug intermediates  Responsibilities 