Golden Quadrilateral is a
- ANational Highway Development Project
- BNational Waterway Development Project
- CNational Railway Development Project
- DNational Airway Development Project
Solution & Step-by-step Explanation
The Golden Quadrilateral is a major National Highway network project connecting India's four key metropolitan cities: Delhi, Mumbai, Chennai, and Kolkata. It is managed by the National Highways Authority of India (NHAI).