Thomas Cook Standalone December 2018 Net Sales at Rs 427.39 crore, up 26.27% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/thomas-cook-standalone-december-2018-net-sales-at-rs-427-39-crore-up-26-27-y-o-y-3473451.html#THOMASCOOK