Bahut new line banane ki zarurat padhegi aur kuch gc bhi mere idea ke liye. Fir bhi Mai Bata deta hu, new Delhi- Moradabad- Bareilly- mailani- bahraich- Jharkhandi- Anand nagar- Valmiki Nagar - Muzaffarpur- Darbhanga- baki ke lines straight hai atlas me aap dekh sakte ho till new Jalpaiguri. Idea yeh tha ki south ke west me Konkan aur east me Chennai Kolkata line kinaare se jaati hai. Vaise hi north me aesa kuch nahi. Toh agar aesa hua toh border areas Ko kafi fayda hoga. Troops jaldi supply Kar payenge. Aur ek alternate route bhi hoga Guwahati tak jaane ke liye Delhi se. Just my idea. I don't know if you'll like it or not.