UPS Application RPA developer interview questions

Resume shortlisted. Then get call from HR for scheduling interview.followed the technical interview after 2days.On interview everything was gone fine.but interviewer is not clarity on their questions I think they doesn't have the technical knowledge but taking the interview. I not heard their voice clearly so I ask that again.so when I answer their questions, she will tell like I not understand tell again tell again and again...she was think like she was owner of the industry..she is a business analyst from Maharashtra,India.ghousted don't conduct this kind of stupid interviews.