Infrascale interview questions

They selected my profile for BDM and scheduled telephonic interview. Three times the interview got rescheduled. Every time they will ask me to be available on a specific time and then no one calls. And the worst part is that nobody called to let me know that the interview has been rescheduled.I had to call up HR to know the situation. If that's the kind of professionalism the company has then I am glad I didn't attend the interview.