Explanation: The Golden Quadrilateral is a significant national highway project in India that connects four major metropolitan cities: Delhi, Mumbai, Chennai, and Kolkata. This highway network is designed to form a quadrilateral shape, hence the name "Quadrilateral." The term "Golden" is used to signify the importance and value of this highway network to the country's economic and transportation infrastructure.
The Golden Quadrilateral project was initiated in 2001 and was completed in 2012. It covers a total length of approximately 5,846 kilometers and is one of the most important highway projects in India. The primary objective of the Golden Quadrilateral is to improve the connectivity between these four major cities, which are economic hubs of the country. By enhancing the road infrastructure, the project aims to boost trade, commerce, and tourism, thereby contributing to the overall economic development of the nation.
The Golden Quadrilateral is part of a larger network of national highways in India, which includes the North-South and East-West Corridors. These highways are designed to provide a robust and efficient transportation system, reducing travel time and improving the movement of goods and people across the country.
Understanding the Golden Quadrilateral is crucial for students preparing for competitive examinations such as the UPSC Civil Services, SSC CGL, and other state-level PSC exams. It is a key topic in the context of Indian geography and transportation infrastructure, and it often appears in questions related to national development and economic connectivity.
In summary, the Golden Quadrilateral is a specific and well-defined highway network in India, connecting four major cities and playing a vital role in the country's economic and transportation landscape. The term "Golden Quadrilateral" is the correct and official name for this network, making it the correct answer to the question.