Cognizant Technology Solutions — cognizant cts not releasing offer letter since one month

Address:

Chennai, Tamil Nadu

I have attended the cts walkin interview for senior java developer in okkiyam thuraipakkam campus on[protected]. I got cleared in all the rounds held on the same day. I cleared 2 technical and hr discussion.in hr discussion even the role and packages are fixed. After few days i got a mail from cognizant talent acquisition team saying that ' got cleared interview and interview stats as selected'. Then after few days i hot a mail for cis form filling. I did filled the form and upload my photo. So there is no response after that. I send frequent mails to hr coordinator who schedule the interview but no response. Almost one month completed there is no offer from. Cognizant. Even thrre is no response from them. But keep on getting weekly walkin drive mails. I don't know to whom i need to contact further. Any suggestions friend. Thanks.