Which of the following agencies has undertaken the Golden Quadrilateral project?

Explanation

The correct answer is National Highways Authority of India. Key Points National Highways Authority of India:- The National Highways Authority of India (NHAI) has undertaken the Golden Quadrilateral project. The project involves the construction of a 5,846 km network of highways connecting the four major cities of Delhi, Mumbai, Chennai, and Kolkata. The project was initiated in 2001 and completed in 2012 at a cost of around undefined300 billion (US$4.2 billion). The Golden Quadrilateral project is one of the largest highway construction projects in the world. Additional Information National Highways and Infrastructure Development Corporation Limited:- NHIDCL is a public sector undertaking that was established in 2014 to promote, develop, and maintain infrastructure projects in the country. Indian Roads Construction Corporation:- IRCON is a government-owned infrastructure company that was established in 1976 to undertake construction projects in India and abroad. Border Road Organisation:- BRO is a branch of the Indian Army that is responsible for the construction and maintenance of roads in border areas.