NWr me Kuch jagah electrification nahi ho sakta jese barmer munabao,jaislmer,barmer kyoki ye route border area ke paas hai.yudh ke samay electricity band karni padegi. Second reason is in sabhi routes par trains bhi bohat kam hai to ase me in routes ko electrified karne se fayda nahi hoga, disel loco se chalana railway ko usse sasta padega.