Guj Heavy Chem Standalone December 2018 Net Sales at Rs 869.93 crore, up 21.19% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/guj-heavy-chem-standalone-december-2018-net-sales-at-rs-869-93-crore-up-21-19-y-o-y-3416001.html#GHCL