The chemical industry is an important constituent of the Indian economy. Petrochemical products have penetrated the entire spectrum of daily usable goods and cover every sphere of life like clothing, housing, construction, furniture, automobiles, household items, agriculture, horticulture, irrigation, packaging, medical appliances, electronics and electrical etc.  The global chemical industry, estimated at about US$3.5 trillion, is amongst the fastest growing sectors of the manufacturing industry. Today, petrochemical products have penetrated the entire spectrum of daily usable goods and cover every sphere of life like clothing, housing, construction, furniture, automobiles, household items, agriculture, horticulture, irrigation, packaging, medical appliances, electronics and electrical etc.