Hello student to get the credentials you need to log in on the portal with your registered email address and mobile number after successfully registering you're self you'll get a user ID for further logins.

In case if you're facing any difficulties kindly contact the department of Anna University on the contacts mentioned below - ddresearch@annauniv.edu (mailto:ddresearch@annauniv.edu) cfr.annauniv@gmail.com (mailto:cfr.annauniv@gmail.com)

Feel free to comment if you've any doubt

Good luck