Sony Research Scientist interview questions

First with the line manager(first interview about experience and possible fit, second interview with presentation on topic they chose) with manager, head of department and whole team. Finally the generic part with HR

Interview consists of multiple rounds. In each round, a scientist asks about your past research as well as some ML and DL breadth questions. After passing all rounds, they ask for two presentation: one for your own work and the other for a paper that they assign to you. Interview process takes very long( 3-4 months) and one needs to follow up constantly to be able to schedule each one of the interview. HR handles the offer and based on a personal experience HR does not take into account the interview performance, years of experience or communicate with the hiring manager about candidate expectations which is unacceptable and unjust to candidates that goes through such long interview process...