Diamond Quadrilateral Network in Indian Railways

Six corridors on Diamond Quadrilateral connecting metropolitan cities and growth centers of the country (Delhi, Mumbai, Chennai & Kolkata) have been identified for feasibility studies for high speed rail connectivity viz: (i) Delhi-Mumbai, (ii) Mumbai-Chennai, (iii) Chennai-Kolkata, (iv) Kolkata-Delhi and both diagonals i.e. (v) Delhi-Chennai and (vi) Mumbai-Kolkata routes.

Feasibility studies for Delhi-Mumbai, Delhi-Kolkata and Mumbai-Chennai have been awarded in September, 2015. Feasibility studies for Delhi-Nagpur portion of Delhi-Chennai corridor and Mumbai-Nagpur portion of Mumbai-Kolkata corridor are being undertaken through Government to Government cooperation, with China and Spain respectively.

This Press Release is based on the information given by the Minister of State for Railways Shri Rajen Gohain in a written reply to a question in Rajya Sabha on 12.08.2016 (Friday).