UST Systems Analyst interview questions

i Given interview in UST Global Bangalore in Jan 2020. i gone through consultancy. i given the first round after that interviewer said me to leave for the day. after 10 minute HR called me that your first round in cleared and panel waiting for second round. i went back and she said to me for wait for your turn. after 20 minutes she said we have decided there in no need for second round in your case. on Monday we will let you know that you might be having client round if no client round then you are selected. On Monday i tried to communicate to consultancy HR and she said you are selected and only final discussion in pending. UST HR will schedule last round with you. on Next day consultancy HR said to me that you are rejected so i asked her to given me the reason on which they rejected me.

I have got a call from ust and scheduled a 1st level vedio conference interview and got another call and e_ mail on next day to inform about the next level interview. After the managerial interview got HR confirmation on the same day. And offer letter was e-mailed the next day itself.