Patel Eng Standalone September 2018 Net Sales at Rs 539.90 crore, up 42.87% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/patel-eng-standalone-september-2018-net-sales-at-rs-539-90-crore-up-42-87-y-o-y-3178801.html#PATELENG