Bhai reading your article, railway affort are appreciatatble. But either this needs to be at 200kmps or wap4 needs to be developed like this kyuki wap 5 avi new locos haii ye dusri trains me use ho skte hai per wap4 kuch dino me outdated hojayega to usi ko developed krna tha wap5 to fir v bot se train me use ho skte hai