Accenture Machine Learning interview questions

I have been referred for the Job Application of Machine Learning. Interview was scheduled after 30 -40 days of job application submission. I had attended the interview in VIkroli(Mumbai) Office as per schedule. I had submitted all required document and completed the candidate registration form. I had completed all formality while interview process and asked me to wait for 2-3 days for evaluation and feedback. After 2-3 days, I got mail from Accenture HR. In the mail they have mentioned that I haven't attended the interview as per their records. Accenture HR asked me to contact them for rescheduling the interview. In between 2-3 days duration my job application status got changed as below "Owing to business reasons we foresee some delay in processing your candidature. Once we have a suitable demand, commensurating your background, experience and expertise, we shall reach out to you. We highly appreciate your patience and continued interest in Accenture job opportunities." It is not acceptable like IT Industries employer like takes interview and informing to me like I haven't attended the interview. Due to the lack of management my interview evaluation was not done properly.

As usual started with updating in portal . I finished my interview, I cleared my tech interview . Later I was told that there are no requirements as of now so the application is on hold .. I don’t understand, if there wasn’t any requirements why did you people take interviews? Also process is very slow .