Praj Industries Standalone December 2018 Net Sales at Rs 278.14 crore, up 45.5% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/praj-industries-standalone-december-2018-net-sales-at-rs-278-14-crore-up-45-5-y-o-y-3445791.html#PRAJIND