Astral Poly Tec Standalone September 2018 Net Sales at Rs 437.64 crore, up 9.37% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/astral-poly-tec-standalone-september-2018-net-sales-at-rs-437-64-crore-up-9-37-y-o-y-3172331.html#ASTRAL