from cnb people usually prefer shramshakti,shatabdi, n many other trains.. gd comes packed from gkp itself.. n else if huge boarding of people is there then it'll be at lko.. cnb se jyada passengers ni hote n isk just piche trains ki line hoti hai like vaishali n many more tou agar iska stoppage badha denge tou platform availability n then schedule kharab ho jaega saari piche waali trains ka n iska bhi so timings adjust krk hi rakha gaya hai sbko..