Patel Eng Standalone December 2018 Net Sales at Rs 484.10 crore, down 23.85% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/patel-eng-standalone-december-2018-net-sales-at-rs-484-10-crore-down-23-85-y-o-y-3526941.html#PATELENG