Besan is a bengal gram flour widely consumed in India. It is yellowish in colour and possess characteristic bengal gram taste and smell. Khesaru dal and other colouring matter shall not be added to true besan flour. Indian snacks and namkeen industry is growing at the rate of 10% per annum with increase in urbanization, changing life style and growth in per capita income. Besan is rich in nutrition and it is very common in Indian food preparations. The growth in demand is also due to increase in population and rising exports of products made from besan.