Which of the following is NOT a characteristic of National Highways in India?

Correct option is C

National Highways in India serve as vital arteries of transportation, connecting major cities and facilitating inter-state travel.
While they are maintained by the Central Government and are crucial for national integration and economic development.
The Border Roads Organisation (BRO) is responsible for the construction and maintenance of border roads in India. The BRO is a statutory body under the Ministry of Defence of the Government of India. It is a road construction executive force that supports the Indian Armed Forces.