Orient Abrasive Standalone December 2018 Net Sales at Rs 84.21 crore, down 6.1% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/orient-abrasive-standalone-december-2018-net-sales-at-rs-84-21-crore-down-6-1-y-o-y-3516501.html#ORIENTABRA