Cognizant — Offer release

Address:

Pune

I am Nidhi Hiwse. (nid.[protected]@gmail.com)
I took L1 and L2 round of interviews and cleared the same. After this I got the confirmation form HR(Harini Gopinath) over phone that she will proceed to release the offer.
Since then it's been 3 weeks I am calling the HR and there is no response. I don't know why they are not responding. I have invested my time and efforts and now there is no response not even an email response. This is such an unprofessional behaviour from the Cognizant team.

HR
Aruna Jamnik and Harini Gopinath

I will be grateful if this issue can be resolved.