(4) The Indus Valley Civilisation flourished between 3000 and 1500 BC. It was a highly developed urban civilisation, possessed modern amenities like underground drainage, well laid-out roads etc. The people had a highly developed artistic sense, which is reflected in their paintings on the vases and the gold ornaments. Their pictorial script has not been deciphered yet. The people domesticated animals; made use of cotton and cultivated wheat and barley. Pottery-making was a highly developed industry and various artisans plied their trades. The leadership of the community probably belonged to the merchants and industrialists,who procured raw materials from distant places.