ye present TT 110km/h n ICF rack ke time me aaya tha.. now train is in LHB n 130km/h ki speed hai iske pas.. so "in my opinion" TT change na sirf 12394 ka ho (speedup i mean) n 12393 ko bhi "mere hisab se" RJPB Rajdhani se 10 min baad ka departure 19:40 dena chahiye just like NDLS se PNBE Rajdhani ke oichhe nikalti hai n arrival time 8:35am hi rahe NDLS par .. :)
NDLS arrival 08:10am kara jaa sakta hai :)