Senior Advocate P P Rao, a constitutional law expert, died here today after suffering a cardiac arrest, a family member said.
Rao, who was 84, breathed his last at a private hospital in south Delhi, his daughter-in-law and senior advocate Mahalakshmi Pavani said.
"He had a massive heart attack when we were near Moolchand flyover. We immediately took him to the hospital where he passed away," she said.
The cremation will be held tomorrow at 4 pm at Lodhi crematorium here.
Rao had appeared in several landmark cases including Babri Masjid demolition case and had opposed capitation fees in educational institutions.
Remembering him as a "legal giant" Supreme Court Bar Association (SCBA) Secretary and advocate Gaurav Bhatia said, "he was a respected man and a legal giant. He was a former President of SCBA. His demise is a huge loss to the legal profession."
Rao, a Padma Bhushan awardee, was selected as jurist member of the selection committee of the Lokpal in 2014 after President of India's approval.
An LL.B. And LL.M. From Osmania University, Hyderabad, Rao started his career teaching law in Delhi University in 1961.
He was enrolled as an Advocate by the Bar Council of Delhi in 1967 and thereafter started practice in the Supreme Court.
In February 1969, he became an Advocate-on-Record and was designated as Senior Advocate in August 1976.
He was elected President of the Supreme Court Bar Association in 1991.