Tejas Networks Standalone December 2018 Net Sales at Rs 181.10 crore, down 20.91% Y-o-Yhttps://www.moneycontrol.com/news/business/earnings/tejas-networks-standalone-december-2018-net-sales-at-rs-181-10-crore-down-20-91-y-o-y-3426931.html#TEJASNET