Capgemini — After confirmation not releasing offer letter

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Capgemini

I have attended interview with Capgemini, after that i have received call from HR that i have cleared the technical interview and HR round also discussed thereafter but after that there is no communication provided and after some days again they have scheduled interview with the same panelist, It's been 3 weeks i am waiting for there response but they are not replying nor they are providing me any update what is the status after everything has done, so i am just assuming Capgemini hiring process is totally fake or what kind of ethics the company is following and what kind of HR they have recruited.I am attaching the Screenshot for the same please verify what is the issue .