Answer: NH2
Notes: Old National Highway 2 or Old NH 2, (currently National Highway 19 (India)) was a major National Highway in India, that connected the states of Delhi, Haryana, Uttar Pradesh, Bihar, Jharkhand and West Bengal. It constitutes a major portion of the historical Grand Trunk Road along with old NH 91 and old NH 1 in India. The highway connects national capital Delhi with Kolkata as well as important cities such as Faridabad, Mathura, Agra, Kanpur, Allahabad, Varanasi, Dhanbad, Asansol, Durgapur and Bardhaman.
