mobile number is recently released and disabled is showing.how many days it will take to update.
Please mention clearly your issues…
If u asking about Mobile update in IRCTC website then it will update within 1minute through OTP verification.
It appears that you have recently changed your mobile number due to which you are unable to change your mobile number again. So you will have to wait till 60 days to update your number again.
However you can contact IRCTC customer care regarding your issue and ask them for resolution.