Hind Copper Standalone December 2018 Net Sales at Rs 474.22 crore, up 7.74% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/hind-copper-standalone-december-2018-net-sales-at-rs-474-22-crore-up-7-74-y-o-y-3516221.html#HINDCOPPER