Making of India's longest rail tunnel between Devprayag, Janasu in Uttarakhand face challenges; breakthrough achieved
- Posted on April 26, 2025
- By The Hindu
- 4 Views

Making of India's longest rail tunnel between Devprayag, Janasu in Uttarakhand face challenges; breakthrough achieved

India's longest rail tunnel faced challenges, including potential collapse, but was successfully completed with innovative solutions and speed.