Coforge Test Engineer interview questions

I applied for the role by a linkedin connection referal .First round of interview was technical interview and basic question related to java and selenium was asked. I cleared that round. I got invite for second round of technical interview ( 1hour time was mentioned in mail ) . I joined that second round but interviewer didn't join the call. After waiting 10 minutes I left the call. Then after half an hour I got a phone call from some another person he said I will take your interview he scheduled my interview for half an hour and he finished it in within 12-15 minutes as like he was not interested to take interview. After a week I sent email to that interviewer for result. Not get any response then next day I called him then he said I will take look. 2-3 weeks goes on he gave me same excuses and till now I didn't get response. This shows unprofessionalism. Actually for first round as well I got call from interviewer only no role of HR.