Britannia is India's largest biscuit manufacturer founded in 1892. It has annual net sales of 31,122 million Rs and manufacturing units across India. Some of its popular brands include Good Day, Marie Gold, Tiger, and Nutri Choice biscuits. It uses a contract manufacturing model with 40 units across India. The document discusses Britannia's key brands and competitors in different categories. It also outlines its supply chain network involving procurement of raw materials from local and international suppliers, manufacturing at central units, and distribution to retailers and customers through distributors.