NH-727A
NH-28A
NH-84
NH-89
Answer is Wrong!
Answer is Right!
The correct answer is: A. NH-727A
NH-727A is a national highway in India. It is a spur road of National Highway 727. It runs from Patna to Bakhtiyarpur in Bihar. The total length of NH-727A is 25.5 km.
NH-28A is a national highway in India. It is a spur road of National Highway 28. It runs from Patna to Ara in Bihar. The total length of NH-28A is 102 km.
NH-84 is a national highway in India. It runs from Varanasi to Raxaul in Bihar. The total length of NH-84 is 286 km.
NH-89 is a national highway in India. It runs from Muzaffarpur to Forbesganj in Bihar. The total length of NH-89 is 175 km.
Therefore, NH-727A is the shortest national highway in Bihar.