Crest Data Systems Senior Software Engineer interview questions

There were total 3 rounds. First- Hackerrank coding test on Python. Second- Gave an assignment to write code using oops concepts. Third- technical interview with panel. I had cleared all 3 rounds, specially last round went very well. Answered all questions. HR was reluctant to offer me whatever I'm asking for from the start itself. So when I called to check status after last round, he said "you are technically not strong" . If they are not ready to offer, at least give that reason rather than giving fake reason.

Got a call from HR, he asked me some basic question related to react and javascript, Next is practical test (Full functionality) and after that there is one link having some javascript and react MCQs, last is 1hr of technical round starting from easy to challenging questions.