The line connects the towns of Rishikesh and Karnaprayag.
Around 104 kilometres of the track are tunnels, built with 16 tunnels in total.
Nineteen bridges cross valleys and rivers along the way.
The project also supports tourism and helps the country’s security near the border.
Most of the route is inside tunnels because the ground is soft and can squeeze.
Nineteen bridges and twelve stations will let people travel safely and visit holy sites.
Indian engineers made special Tunnel Boring Machines at home, so they don’t need to buy them from other countries.
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