Guj Mineral Standalone December 2018 Net Sales at Rs 438.56 crore, down 17.02% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/guj-mineral-standalone-december-2018-net-sales-at-rs-438-56-crore-down-17-02-y-o-y-3530811.html#GMDCLTD