Nariman argued in favour of Union carbide in the infamous Bhopal gas disaster case, which he admitted as a mistake in recent times. He was instrumental in getting a deal between victims and the company outside court, which offered an amount of $470 million to the victims. He also argued in the famous case of the Supreme Court AoR Association, in which the Supreme Court took over the appointment of judges in the Higher Judiciary. He also appeared in many important cases like Golak Nath, S.P. Gupta, T.M.A. Pai Foundation, etc.