RVNL emerges as L1 bidder for construction of tunnels, bridges in Dharakhoh-Maramjhiri rail section September 27, 2023 | Awarded, Project Updates RVNL has emerged as the L1 bidder for construction of tunnels and bridges in Dharakoh-Maramjhiri section of the Itarsi-Nagpur Third Line Project. This content is restricted.