Cognizant — Regarding LOI ( Yet no update)

Address: House no 1, maruti Puram, Faizabad road, lucknow

Hello there!
My self Alok Pratap Singh, My query is that i have completed my HR and TR round in March, and i have got mail that I have completed my all interview rounds successfully and after that it's been approximately two months i didn't get any type of mail regarding LOI nothing and i have also mailed many times to support team but they also didn't help me. I just wanna know that should I wait or not, because you guys not providing me any type o[censored]pdate, regarding LOI . It's my humble request to you all please help me in getting my loi or offer letter.and one more things that if the candidate is disqualified by any reason then you guys atleast tell them instead of not sending any update this is my humble request to you all.

Thank you
ALOk Singh