Bas NR hamesha Apne zone Ka electrification and doubling achhe se Karwa Raha Baki CR aur western par dhyan bhi Nahi de Raha hai .konkan railway jaha 2 Raj 2 Duranto 1 Tejas chalti hai uska electrification abhi tak Nahi Kiya .Mumbai Chennai line Mumbai benglore line abhi tak electrified Nahi hui.jo ki busy line hai aur NR Apne Jo busy line nahi hai uska bhi doubling +electrification karara hai .Lagta hai Diesel engine Sirf Mumbai ke liye hi chhod Raha hai.