Cognizant — v ramkumar, [protected]@gmail.com, offer not released yet. more than a month

Address: No 38 A, Anna nagar 4th cross street,Chengalpattu, 603001

Hi this is v ramkumar. I have attended an interview at cts kandhanchavadi on march 9th 2019 and cleared all the rounds. At the end hr informed me that i will receive my offer letter in a week but i haven't received yet. Meanwhile i received an email from cts talent acquisition to upload my photo in one of their portal. After that, i haven't received any updates. Its been already a month. Kindly help