Cognizant — no offer letter confirmation

Address: Warangal, Andhra Pradesh, 506005

Hi i have attended walk in drive on 27th bangalore bagmanitech park i have cleared all rounds after 2 weeks i got link to upload my photos after that no response when will i get my offer letter
Kindly look at these complaints how many try to change u r process

My mail id [protected]@gmail.com
My hr williams and viashnavaramya from them i got mail from these people

Kindly change u r process even these many complaints about offer. Delay means how u r performing
Kindly solve my problem