Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
DMRC achieves twin tunnel break through as part of phase 4 expansion
The Delhi Metro Rail Corporation (DMRC), as part of its phase 4 expansion, on Wednesday completed a twin tunnel break through — two tunnel boring machines (TBMs) burrowing through parallel passages — on a 3km shaft between the upcoming Derawal…
English