hello,
you can change or edit your registration no or any other details by logging in your acount. try it
if this option is not available you can contact with the officials stating your problem.
call in the below mention numbers in official working hours(9 am to 6 pm)
Phone 044 – 2235 8041 ,044 – 2235 8042
Counselling | Application | Exam Pattern | Admit Card | Result | Answer Key | Cutoff
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile