Cognizant — offer letter not released for interview on 23rd march 2019 at okkiyampet chennai

Address: Okiampet, Chennai, Tamil Nadu, 600119

Hi,
I was interviewed on 23rd march 2019, got selected and was informed like i would be receiving offer letter within 2 weeks.in the meanwhile, i had got selected mail which was automatically generated one and have filled cis form.
Now it's been 5 weeks and i didn't get any information or update about offer letter. Kindly update us soon regarding the same.