ECoR achieves breakthrough of 829-metre tunnel in Kottavalasa-Koraput doubling project

Bhubaneswar, Oct 2 (UNI) The East Coast Railway (ECoR) has achieved a major engineering breakthrough with the successful excavation of the 829-metre Tunnel No. 41-41A between Borra Guhalu and Karakavalasa stations in Odisha's Rayagada division, marking a significant milestone in the ongoing Kottavalasa-Koraput Doubling Project. The breakthrough was achieved on October 1 in the Borra Guhalu-Karakavalasa block section with 100 per cent accuracy in alignment, reflecting the precision and engineering expertise deployed in executing the railway project through challenging terrain. Tunnel No. 41-41A has a total length of 829 metres and has been constructed in a horseshoe shape along an…