भारत की सुरंगें: ज़मीन के नीचे अभियांत्रिकी के अद्भुत चमत्कार

भारत की सुरंगें: ज़मीन के नीचे अभियांत्रिकी के अद्भुत चमत्कार: A new generation of tunnels is preparing to take shape. These forthcoming projects promise to redefine how the nation moves and connects. The following upcoming projects highlight the scale of progress underway. Tunnels in India represent more than infrastructure development; they reflect the nation’s determination to overcome geographical challenges. By cutting through mountains and terrain