Can anyone tell me how to generate a new Tpin for IRCTC app in windows phone 8.1? I have changed my password in IRCTC nextgen and now the app doesn't recognize the old Tpin. I tried by logging in old IRCTC website but it says "you have migrated to IRCTC nextgen". And when i logging in from nextgen and then went to "old booked ticket history" it asks to re-enter the password. But after re entering the password it says your password is wrong or invalid. Can anyone please help me and suggest some solution..