| # | University / Institution | Position | Period |
|---|---|---|---|
| 1 | CSIR-Institute of Minerals & Materials Technology | Director | 2018-present |
| 2 | I.I.T. Delhi | Professor | 2008-2017 |
| 3 | I.I.T Delhi | Assoc. Professor | 2005-2007 |
| 4 | I.I.T. Delhi | Assistant Professor | 1998-2004 |
| 5 | University of Alberta | Visiting Professor | 2000 (May-July) & 2003 (May-July) |
| 6 | University of Newcastle, Australia | Visiting Professor | 2005 (May-July) |
| 7 | University of Newcastle upon Tyne, UK | Visiting Professor | 2012 (May-July) |
| 8 | University of Alberta | Post-Doc. Fellow / Visiting Faculty | 1994-1997 |
| Sl | Duration | Name of the Organization | Position |
|---|---|---|---|
| 1 | Feb 9, 2018-present | CSIR-Institute of Minerals & Materials Technology (IMMT), Bhubaneshwar | Director |
| July 2018-present | SRTMI (Steel Research & Technology Mission of India) | Governing Board Member | |
| March 2018 - present | NALCO Ltd | Member of Research Scientific Advisory Committee | |
| July 2018 - present | Materials & Eng Div. DST, Ministry of Sci & Tech | PAC member | |
| 2 | Aug 2016 - Feb 8, 2018 | I.I.T. Delhi | Associate Dean, Research & Development |
| 3 | 2012 - 2015 | I.I.T. Delhi | Professor and Head of Chemical Eng. Dept. |
| 4 | 2012-2015 | Indian Institute of Chemical Engineers, Northern Regional Centre | Chairman |
| 5 | 2003-2006 | I.I.T. Delhi | Secretary, Department Research Committee |
| 6 | 2004-2009 | Indian Institute of Chemical Engineers, Northern Regional Centre | Secretary |
- Graduate Courses:
- Electrochemical Conversion and Storage Devices (CLL722)
- Hydrogen Energy & Fuel Cell Technology (CLL723)
- Design of Separation Processes. (CLL735)
- Numerical Techniques in Chemical Engineering (CHL711)
- Undergraduate Courses:
- Fluid Mech. (CHL130)
- Fluid Particle Mech. (CHL331)