( 15 Sep, 2014) Important National Highways Published By : upscgk.com IMPORTANT NATIONAL HIGHWAYS SNoNational HighwaysConnects 1 NH 1 New Delhi - Ambala - Jalandhar - Amritsar. 2 NH 2 Delhi - Mathura - Agra - Kanpur - Allahabad - Varanasi - Kolkata 3 NH 3 Agra - Gwalior - Nasik - Mumbai 4 NH 4 Thane and Chennai via Pune and Belgaun. 5 NH 5 Kolkata - Chennai 6 NH 6 Kolkata - Dhule 7 NH 7 Varanasi - Kanyakumari 8 NH 8 Delhi - Mumbai (Via Jaipur, Baroda and Ahmedabad) 9 NH 9 Mumbai - Vijaywada 10 NH 10 Delhi - Fazilka