XYZ interview questions

I interviwed at wipro and the interview has 3 rounds. First comes the written test and then technucal followed by hr. I interviewed for a fresher role and they offered a package of 6 lpa but after 6 months they sent the offer lettter and gave tge package as 3.5 lpa

Behavioural Round -Tell me about a complex project you kept on track. Case study Round -A time you had to manage client expectations or push back. Hr Round -A time you improved a process. How you run projects – your “operating system” Walk me through your resume