But thankfully koi casualties nhi hui or IR LHB ki production kr raha h icf coaches ki production 2017 ya 2018 se hi bnd krdiya h LHB coaches ki speed badh gyi h congress k time p to icf production jyada hoti thi India LHB technology 1999 m hi mil gya thi I guess uske 4 saal baad first IR train jisko LHB mili thi wo bct Rajdhani 2003 agar or production v bahut slow bs premium traino ko LHB mili thi as time n technology ko pura waste Kiya congress n agar us time SE LHB coaches speed up krke sabhi traino ko LHB start Kiya hota to 2014 tk only LHB coaches wali train hoti ind m