Option a is the correct answer In the Harappan culture, the art of pottery making was at it peak. The Indus potter was a skilled craftsman who produced plain, coloured and glazed pottery. Made in various shapes, the pottery had rich designs and a perfect finish. The colour which was commonly used in the Harappan pottery was red and black. There is evidence in Chanhudaro. Along with fast wheel thrown pottery, mold-made and hand formed pottery continued to be produced. Harappan pottery was made of good quality clay, which was baked in controlled heat in various shapes like bowls, vases, pots (Handi), feeder, dish, storage jar, offering stand, dish-on-stand jars, drinking vessels, cup and cup on a stand, basin, casket and so on.. Golds and silver used for ornaments and vessels.