Tub to Humsafar ka concept is change ho gayaa!! waise HS mein SL coach lagna achchi baat hai.
Ab waqt aa gaya hai, Rajdhani, Duronto, Humsafar, Garib Rath Yuva, aadi premium trains ko club kar diya jaaye aur sab mein sab class ke LHB coach lage aur max speed 130kmph ho.