Tata Consultancy Services — I am complaining about [protected]@tcs.com

I got referral mail from tcs to the mail ID [protected]@gmail.com with username and one time password but when I was trying to login it showing invalid credentials, so I contact tcs careers help line number, they told their is old profile ID with old mail ID "[protected]@gmail.com" but I forgot my old profile credentials completey, so I sent a mail to [protected]@tcs.com to deactivate my old profile with mail ID [protected]@gmail.com, but I haven't received any response from them from last 3 days and their not responding to the calls at all.

I want to register newly in TCSiBegin portal with mail ID [protected]@gmail.com to apply for new openings in walk in drive

Please kindly guide me how to resolve my issue.