Qaurus Pneumatics India interview questions

The interviewer was not very friendly. He pointed out one solution I gave to the case study that he thought was not appropriate, and when I tried to fix this problem in the following talk, he seemed to have a rejective attitude. But the thing was, when I talked to others about the case, they said my solution was ok.

3 rounds are taken (written, Technical,HR) In written 25 questions are asked in which aptitude and technical questions are there. After getting selection in it,technical round will conducted after selection in technical. HR round will be the final round