[Resolved]  Cognizant — delay in releasing offer letter

We appeared in an interview of cognizant slpp process on 27th february, 2019. Who got selected in that process got a mail from cognizant that we will get to hear from them in about 3-4 weeks but it has been 1 month 10 days but i have got no mail. And no one in our batch who got selected got a mail. We want to know how much time it will take to release the joining letter. We are worried. We are almost 100 candidates and no one got any further mail.