Cognizant — Didn't received date of joining Information

Candidate Id : 18987628
Name : Niketan Kumar
Email : [protected]@gmail.com
I received my offer letter on 24 November 2021 which I had accepted within the given Time period. After that I also uploaded my documents timely. Then I received a mail regarding my Date of Joining (DOJ) on 17 December stating that I would be Onboarded in January 2022. After that I have not received any information regarding my DOJ it is month of February now. I have raised 2 queries in the C2C platform about my DOJ but they were unanswered.
I kindly request you to please provide me with any available information regarding my DOJ.