agr main irctc se ticket krta hu
aur tickt upgrade ho jata h
example 2s ka tickt chair car mein upgrade hua ya sleeper ka ticket 3 tier mein hua toh phir mkhe kaese pta chlega ki meri seat upgrade hui h
means koi msg aaega no. pr ya phir mjhe konse charts mein dkhna pdega ....///"??????