Hm.. yes.. DD ante Full DD train undalani rule emundi.. yedaina train ki inko CC add chese badulu oka DD CC attach chesthe better. Satavahana, Ratnachal, Palnadu lanti trains ki cherokati add chesina tappu ledu.. avasaranni batti konni normal konni DD coaches unna trains ravadam manchide.. DD ante AC compulsory anem ledu.. Flying Ranee laga non AC DD coaches kuda undavachu.. alage Sleeper DD kuda ravali comfortable design tho.. appudu coaches extend chesi train length penche pani undadu.. asalu DD ki unna power ni sariga vadukovali IR. UDAY lanti trains kanna Antyodaya trains ni non AC DD trains chesthe bagundedi.. Premium trains avasarame.. kani avi heavy traffic ni carry cheyavu.. endukante middle class janabha ekkuva unna desam manadi.. aneka trains ki General coaches 200% passengers ni carry chesthai.. appudu kurchunna vallaki sukham undadu.. nunchunna vallaki sukham undadu.. alanti time lo coaches increase cheyaru.. DD oka revolution la ravalsindi.. already 24 coaches...
more... unna ICE chaladam ledante inkem chestaru kukkadam tappa.. Doubling, Electrification, LHB conversion laga heavy traffic unna trains ni DD cheyadam modalu pettali inka..