The conversation between human and AI assistant.
What is the reason behind the resignation of Tata Sons (Tata Group) chairman Cyrus Mistry?
Was there any controversy surrounding his removal?
Yes, there was quite a bit of controversy surrounding his removal. In fact, Mistry filed a petition against his termination with the National Company Law Tribunal, claiming that he was wrongfully removed and that he faced oppression and mismanagement from the company. The case is still ongoing.