Maharashtra State PSC Model Paper 5

The Correct answer is A, C and D.

• The Diamond Quadrilateral of Indian railways aims to connect four metropolitan cities (Delhi, Mumbai, Chennai & Kolkata) through high-speed rail connectivity.
• Diamond Quadrilateral project of Indian railways is similar to the Golden Quadrilateral project for the development of highways.
• Six corridors have been identified under the Diamond Quadrilateral project. These are

1. Delhi-Mumbai,
2. Mumbai-Chennai,
3. Chennai-Kolkata,
4. Kolkata-Delhi
5. Delhi-Chennai
6. Mumbai-Kolkata routes.

• The Golden Quadrilateral (GQ) or Super Expressway project is underway to connect the four metropolitan cities - New Delhi, Mumbai, Chennai, and Kolkata through highways.