Design and construction of twin tunnel for Delhi Metro Phase IV, India May 23, 2025 | Asia Pacific Tenders, Tenders & Contracts Country: IndiaOrganisation: Delhi Metro Rail Corporation (DMRC)Description: Bids are invited to design and construct a twin tunnel, an underground ramp, and four underground stations for the Inderlok-... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password