Nagarro Associate Principal Engineer interview questions

I took an aptitude test online, which lasted 20 minutes and consisted of 30 multiple-choice questions. The technical round was conducted by an Associate Principal Engineer, followed by a managerial round with a Principal Engineer, and finally, an HR round with an HR Manager. The managerial round interview went well, and I was hoping for a callback from HR. However, I didn't hear back from them despite multiple follow-ups. After a month, I received an email stating that there were too many profiles and I was not selected, which I felt was not a proper reason to reject my profile. Later, I realized that the interview process was just a formality, and candidates were already chosen through internal referrals and team lobbying. This is not professional behavior.

Aptitude test online 20 mins and 30 multiple choice questions. Technical round by senior principal engineer, Managerial round by Principal Engineer, HR round by HR Manager. Not cleared managerial round.