Chugh was suffering from blood cancer since last two years and was admitted to the Postgraduate Institute of Medical Education and Research (PGIMER) here a few days ago, his family said.
He is survived by his wife Harjeet Chugh (80 and two sons -- Sumeet and Sumant, both doctors and settled in the US.
"My father was admitted to PGIMER a few days ago and he passed away today. His cremation will take place at 12 p.M. here tomorrow," Sumeet said.
He was a recipient of several national and international awards, including the Padma Shri, the fourth highest civilian award, in 2000, the PGIMER said in a release.
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Sumeet recalled a few last messages of his father, one of which was for the medical fraternity, where he said: "The real message is maintaining high standards of honesty, integrity and objectivity which are critical to scientific progress."
The PGIMER said Chugh's demise is "a great loss to the super speciality of nephrology".
"The International Society of Nephrology had acknowledged the pioneering work and outstanding contributions of Dr Chugh and had included him amongst 50 legends in nephrology," it said in the release.
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