The funeral will take place on Friday, her family members said.
Besides being a practicing senior advocate in Supreme Court, Pappu had been a member of the Law Commission of India in 2008-09 and participated in several conferences.
Remembering Pappu as a "doyen" of the Bar, Supreme Court Bar Association (SCBA) President Dushyant Dave said, "She made a great contribution for the development of jurisprudence of Supreme Court in 1970-80s. In her death, the Bar has lost a great lawyer and a woman lawyer who achieved a lot. I pray that her soul rests in peace."
Pappu, who became a Central Government Counsel in 1975, is credited with the drafting of the amendment of Divorce by Mutual Consent when there is an irretrievable breakdown of marriage.
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She has argued in several important cases including the Mandal Commission report on reservation for backward classes.
A champion for women rights, Pappu was a part of several initiatives to get women their rights and awarded Padma Sri, the fourth highest civilian honour, in 2009, for her contributions to the society.
She has also served as a member of the Governing Council of her alma mater, Miranda House, during 1973-74.
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