Secondary Sectors importance in Indian economy:(i) The Secondary sector contributes more than 20% to the GDP of India.(ii) It provides employment to the people.(iii) It provides goods to the people like cloth, sugarcane, iron and steel.(iv) The Secondary sector promotes the development of the Primary and the Tertiary sectors.Economic development means over all development with increase in GDP and national income. Growing industrialization leads to economic development, due to development in industrial sector employment generates which leads to improvement in living standard of people and literacy rate, transportation, communication, equipment and machinery; infrastructure has also improved a lot due to industrialization and has contributed to economic development in India.