Business Unit Home . Business Unit Animal Health Trade Animal health division of IIL is involved in marketing a wide-range of livestock and companion animal health products. Read more Human Health Trade Human Biologicals Institute (HBI) is a division of Indian Immunologicals Ltd, involved in marketing vaccines, hormones and nutraceuticals for human health. Read More Institutional Business IIL is one of the leading supplier of animal and human health products to State and Central Government ministries and its agencies. Read More International Business IIL has been exporting animal and human health products across the world for more than fifteen years. Read More Contract Manufacturing IIL produces products for other companies for sale in India and overseas market. Read More