India vows to dig its way out of China machinery curbs

India’s ambitious plans to construct high-speed railways, metro networks and strategic roads through the Himalayas could be hampered by China’s proposed restrictions on tunnel-boring machines, exposing a dependence on foreign technology that New Delhi may find difficult to overcome.

Experts say while the curbs are unlikely to halt construction, they could slow major projects and have intensified calls for India to develop its own advanced tunnelling equipment.

The restrictions also threaten to...