Upstox interview questions

the interview consisted on 3 rounds ad were fairly strait forward 1st round was scheduled for 1.45 hours but interviewer took only 1, I was slightly surprised but the discussion was nice and we were able to talk about memory management, swift ui, solid and other basic ios question and some DS round 2 was system design which I was asked to create a cache mechanism and explain the whole architecture. I sailed through it and was able to clear this too the 3rd round was managerial, the HR was quite lazy over all and would not respond to clear on her own. Had to run after her for almost 2 weeks to get this round scheduled but it seems they were quite indifferent about my performance in other rounds i was told that there will be a debrief 15 days from my last round but on day of debrief i was waiting i was told abruptly in morning that i didnt clear