Indian Railways Constructing World's first electrified double-stack container tunnel near Haryana

The Indian Railways is constructing the world’s first electrified double-stack container tunnel, between the Aravalli hills, on the railway’s Western Dedicated Freight Corridor near Haryana’s Sohna
Once operational, a double-stack container goods train will be able to run at a speed of more than 100 km from within this one-km-tunnel.
The Dedicated Freight Corridor Corporation of India Limited (DFCCIL) is the implementing agency of the project.
The D-shaped tunnel is one of the biggest Railway tunnels in India in terms of cross-sectional area, measuring 150 square metres.
One end of the tunnel is near Rewari while the other end of the tunnel is at Dadri.
The tunnel connects the Mewat and Gurugram district of Haryana.