Cognizant Sr. Associate interview questions

There were 3 rounds of interview. First telephonic and 2 in-person rounds. In the first round, they will be asking about the previous job roles and in the further rounds, they will be asking technical questions.

3 level of interview was taken and I got selected but later I didn't receive any update from this company, after one week from the interview day I got a mail from them asking for the background details I sent those details within 2 days. They announced that I got selected on the same day and also I had discussion with HR for regarding the package. But later no update from them.