Solution:None of the National Highways, given in the options passes through Amritsar to Kolkata via Delhi. The route of all the highways (old) are given below -NH 1 - Delhi, Ambala, Jalandhar, Amritsar, Indo-Pak Border.
NH 2- Delhi, Mathura, Agra, Kanpur, Allahabad, Varanasi, Mohania, Barhi, Barthaman, Kolkata.
NH4-Thane, Pune, Belgaum, Hubli, Bangalore, Ranipettai, Chennai.
NH 8 - Delhi, Jaipur, Ajmer, Udaipur, Ahemedabad, Vadodara, Mumbai.
Presently, New NH route are given below -
NH 1 - The highway connecting Uri to Leh.
NH 2 - Dibrugarh (Assam) to Tuipang (Mizoram).
NH 4 The highway connecting Mayabandar Port Blair hiriyatapu in Andama
NH 8 - Karimganj (Assam) to Sabrum (Tripura).