As per National Highways Authority of India, which is the smallest national highway in Jharkhand?

The correct answer is: A. NH 133B

NH 133B is a national highway in India. It is a spur road of National Highway 33. It starts at Ranchi and ends at Daltonganj. It is 122.2 km long.

NH 33 is a national highway in India. It runs from Varanasi in Uttar Pradesh to Silchar in Assam. It is 1,408 km long.

NH 20 is a national highway in India. It runs from Agra in Uttar Pradesh to Kanyakumari in Tamil Nadu. It is 2,465 km long.

NH

Therefore, NH 133B is the smallest national highway in Jharkhand.