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The completion of India’s longest rail tunnel between Devprayag and Janasu in Uttarakhand faced significant challenges, including moments when it seemed the tunnel might collapse and jeopardise the whole project, Larsen & Toubro Limited (L&T) said.
The completion of India’s longest rail tunnel between Devprayag and Janasu in Uttarakhand faced significant challenges, including moments when it seemed the tunnel might collapse and jeopardise the whole project, Larsen & Toubro Limited (L&T) said.
