Cognizant — no offer letter or confirmation mail received.

Address: Chennai, Tamil Nadu, 600096

Hi team,

Date of interview : 01st, september 18
My cognizant id : 12354993
Location : varalakshmi tech park, kandanchavadi, chennai
Recruited for : api testing + python

They told they will be releasing the offer letter with 10 - 15 days.
Got a mail that interview status - under review, and there is no communication after that.
Please let me know the approximate date of releasing offer.
Thanks for understanding.

Hoping for best..