First round completed but once done with client round no response from HR(Annu) tried calling several times but no use worst way of respecting employee.... even tried to mail but still no use just time waste

The HR from Hexaware contacted me and the interview process began. Everytime they would interview, i would clear the rounds and they would schedule next rounds. The entire process took over 5 months. I was offered the job, the salary annexure was discussed but offer letter was not provided as they were not clear with the same. Candidate was outside job for 5 months waiting on them. Ridiculous attitude of the company. Very unprofessional. Stay away.