Formerly Principal, University College of Medical Sciences, G.T.B. Hospital, Delhi.

Dean, Faculty of Medical Sciences, University of Delhi, Delhi (2005).

Vice-Dean, Faculty Council, Indian College of Physicians (2008-2010).

Commonwealth Fellowship at Leicester General Hospital, UK.

Delhi State Award (2012).

International Society for Peritoneal Dialysis Scholarship award, USA .

Visiting Clinical Scholar at University of Missouri, Columbia, USA.

Distinguished Academician and Researcher of the Year Award - 2010 by Indo-US ACET.

Young Investigator Award, Japanese Society for Dialysis Therapy (1995)

Received Oration Award from API, ISN, IACM, HSI.

Chairperson, Postgraduate Committee, Medical Council of India (2012 –2013).

Chairman, Disciplinary Committee and Member, Delhi Medical Council(2009=2015).

Published 270 papers in various Scientific Journals and Books.

Edited a book, “Renal Disease – Prevention and Management – A Physician’s Perspective”.

Delivered 96 Guest Lectures at various Conferences.