Gammon Infra Standalone December 2018 Net Sales at Rs 4.15 crore, down 93.18% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/gammon-infra-standalone-december-2018-net-sales-at-rs-4-15-crore-down-93-18-y-o-y-3542121.html#GAMMNINFRA