Himatsingka Sei Standalone December 2018 Net Sales at Rs 450.99 crore, up 3.85% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/himatsingka-sei-standalone-december-2018-net-sales-at-rs-450-99-crore-up-3-85-y-o-y-3493081.html#HIMATSEIDE