India, July 2 -- India's urban infrastructure is increasingly expanding beneath the surface as metros, water pipelines, sewerage networks, and utility corridors become essential to supporting rapid urbanisation. This transformation is creating opportunities across tunnelling, underground construction, water engineering, and pipeline manufacturing. Here are five companies playing a significant role in building the infrastructure that powers India's cities from below.

Afcons Infrastructure Afcons Infrastructure is a prominent player in India's underground construction sector. Being part of the Shapoorji Pallonji Group, the company has built a strong reputation by taking on challenging projects, such as deep metro stations, hydro tunnels i...