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 Director, Sanjay Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow 226014, India 
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 8 Feb 2020 to date 
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 Director, Kalyan Singh Super-Specialty Cancer Institute, Lucknow, India 
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 17 September 2021 to date (Additional Charge) 
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 Professor, Department of Hepatology, SGPGIMS, Lucknow 226014, India 
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 Feb 2021 to date 
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 Vice-Chancellor 
King George’s Medical University, Lucknow 
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 Additional Charge (13 July 2020 - 10 August 2020) 
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 Prof. & Head, Department of Hepatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow 226014, India 
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 16th February 2021 to 10 February 2023 
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 Professor and Head, PGIMER, Chandigarh, India 
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 1 October 2017 - 7 Feb 2020 
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 Professor, Department of Hepatology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India 
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 2008 to-September 2017 
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 Additional Professor, Department of Hepatology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India 
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 2003 to-2008 
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 Associate Professor, Department of Hepatology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India 
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 1998 to-2003 
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 Assistant Professor, Department of Hepatology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India 
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 1993-1998 
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 Senior Fellow 
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 1989-1992 
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