GKW Standalone December 2018 Net Sales at Rs 12.51 crore, up 74.94% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/gkw-standalone-december-2018-net-sales-at-rs-12-51-crore-up-74-94-y-o-y-3503811.html#GKWLIMITED