Kothari Petro Standalone December 2018 Net Sales at Rs 62.80 crore, up 25.25% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/kothari-petro-standalone-december-2018-net-sales-at-rs-62-80-crore-up-25-25-y-o-y-3528531.html#KOTHARIPET