Correct option is A
NH-8 is the shortest national highway in India is not true regarding national highway.
· The National Highways Authority of India (NHAI) is the authority responsible for the development, maintenance, and management of national highways in India. It is a statutory body under the Ministry of Road Transport and Highways, Government of India.
· NH-47A is indeed the shortest national highway in India. It is located in the state of Kerala and covers a distance of only 6 kilometers.
· NH-44 is the longest national highway in India. It stretches from Srinagar in Jammu and Kashmir to Kanyakumari in Tamil Nadu, covering a total distance of approximately 3,745 kilometers. It is also part of the North-South Corridor of the National Highways Development Project (NHDP).