PREVIOUSLY ASKED IN:
West Bengal Civil Service (WBCS) Preliminary 2023
Answer
India's four main megacities by superfast railway services.
Explanation
The Diamond Quadrilateral project aims to connect India's four major metros—Delhi, Mumbai, Kolkata, and Chennai—using a high-speed rail network.
Key Points
- It is the railway equivalent of the road-based 'Golden Quadrilateral'.
- It aims to drastically reduce travel time between major cities.
- It is one of the mega projects of Indian Railways.
Additional Information
- The Golden Quadrilateral road project was initiated during Atal Bihari Vajpayee's tenure.
- The Diamond Quadrilateral is fundamentally linked to the introduction of bullet trains.