Q. Which national highway connects Delhi and Kolkata via Mathura and Varanasi? Answer:
NH2
Notes: National Highway 2, commonly referred as Delhi– Kolkata Road, is a busy Indian National Highway that runs through 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 NH 91 and NH 1 in India.