Cognizant — offer letter not released

Address: Hyderabad, Andhra Pradesh, 505001

Hello sir/madam,
I attended cts drive in hyderabad on april 2, 2016. I cleared all rounds and asked to submit my pancard. I did as per they asked me but didnt get my offer letter. Its been 1 year 7 months. You know how difficult to find an employement now a days. Sir i have sent a mail many times to my hr regarding this but didnt get any response in return. Sir please please dont ignore this message, respond to this mail and help me in getting my call letter as soon as possible.