ELDAAS Technologies Embedded Software Engineer interview questions

One Hour Test. If candidate pass the test ,second round is technical interview.After clearing technical interview,third round is HR round. Test was very easy. Also the interview but there was not any mail from the company who has pass the test.There direct call for interview.Technical interview went for 15min .Interview went too good ,I gave all the answer But I don't known what the reason I was not selected for HR round.