15017/ kashi takes 4hr 5 min frm allahabad to varanasi this can be reduced and track b/w bhusaval n jabalpur is double, between nepanagar n khandwa and b/w banapura n itarsi it takes 1.35 hrs for 43 and 35 km. it can easily reach jabalpur at 23:00 hrs instead of 01:10 hrs
hence 2 hrs can easily reduced n it can reach gorakhpur at 17:10 , without changing timing b/e ald n bsb,