Eddts Vtu — Unable to do mobile verification hence password change

Website: eddts.vtu.ac.in/index.php

USN: 1CD16CS039
Name: Geetha R
I have been trying to register in the EDDTS website but couldn't do the mobile verification. It is not letting me retry as it is saying I am already registered. I have tried contacting all the helpline numbers but they are constantly unreachable. Please do the needful