Which three highways are included in Super Highways of India?

Which three highways are included in Super Highways of India?

Answer:

Golden Quadrilateral: The government of India has launched a major road development project linking Delhi, Kolkata, Chennai, Mumbai and Delhi by a six-lane super highway.
The North-South Corridor: In the north, it links Srinagar of Jammu & Kashmir to Kanyakumari in Tamil Nadu.
The East-West Corridor: It connects Silchar of Assam in the east to Porbandar of Gujarat in the west.