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1987-1988, July-Dec 1992, May & June 1997: Alexander von Humboldt Fellowship, Alexander von Humboldt Foundation Bonn, Germany:
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July-Dec 1994: JSPS Invitation Fellowship, Japan Society for the Promotion of Science, Kojimachi, Chiyoda-ku 102, Japan:
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1998-Date: Nominated as a Member of the Scientific Council of the International Center for Heat and Mass Transfer
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2001: Member of the Editorial Board of the International Journal: Progress in Computational Fluid Dynamics published by Inderscience, Switzerland
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Guest Professor at the LSTM, University of Erlangen-Nuremberg, Germany (December 2001 to October, 2002)
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2002: Keynote speaker at the Twelfth International Heat Transfer Conference at Grenoble, France (August 18-23, 2002)
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Fellow of the World Innovation Foundation
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2004: Fellow of the Indian National Academy of Engineering
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2004: Indian Representative at the International Union of Theoretical and Applied Mechanics
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2006: Appointed Associate Editor to the Journal of Heat Transfer (Transactions of the ASME) till 2009
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2006: Invited Speaker at the Eleventh Asian Congress of Fluid Mechanics (11ACFM), Kuala Lumpur, Malaysia (22-25 May, 2006)
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2006: Fellow of the American Society of Mechanical Engineers (ASME)
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2007: Dr. Gurmukh D and Veena M Mehta Endowed Chair Professor
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2007: Re-elected Indian Representative at the International Union of Theoretical and Applied Mechanics
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2007: Fellow of the National Academy of Sciences, India
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2008: President of the Indian Society for Theoretical and Applied Mechanics (ISTAM), India
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2008: Member of the Editorial Board of Computational Thermal Sciences (Begell House)
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2009: Director of CSIR-Central Mechanical Engineering Research Institute (CMERI) Durgapur
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2010: Fellow of the Indian Academy of Sciences (Bangalore), India
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2010:
Delivered Prestigious CNR Rao Lecture (Febraury 25, 2010)
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2010:
Member of Editorial Board of Indian Journal of Engineering & Materials Sciences (CSIR-NISCAIR)
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2010:
Delivered Prestigious Bhatnagar Memorial Lecture at the ISTAM Congress (An International Meet)
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2010: Acting Director: Academy of Scientific and Innovative Research (AcSIR), New Delhi
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2011: Awarded J C Bose National Fellowship by the Department of Science and Technology
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2011: Delivered Keynote Lecture at the Second International Conference on Computational Methods for Thermal Problems, Dalian, China
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2011: Delivered Prof. B.R. Seth Memorial Institute Lecture at IIT Kharagpur
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2012: Member of Editorial Board of Heat Transfer – Asian Research
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2012: Delivered ISRO-IISc Space Technology Cell Research Seminar at
IISc Bangalore
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2012: Fellow of the Indian National Science Academy (INSA), New Delhi, India.
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2013: Invited Lecture at the 100th Indian Science Congress Kolkata.
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2013: Distinguished Alumnus Award, Bengal Engineering and Science University, Shibpur.
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2013: Key Note Lecture at the 15th AcSICFD Symposium, IISc Bangalore
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2013: Director, Indian Institute of Technology Guwahati, India
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2014: President, Indian Society for Heat and Mass Transfer
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2014: Foundation Day Oration: Tezpur University, Assam, India
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2014: First Prof. A.S. Gupta Memorial Lecture, 59th Congress of ISTAM,
Bangalore
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2015: Associate Editor, Computers & Fluids
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2015: Plenary Lecture at the Indian National Conference on Applied
Mechanics (INCAM), IIT Delhi
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2015: Honorary Fellow of the Indian Institute of Chemical Engineers,
India
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2015: Invited Lecture at the Institute of Physics of Academia Sinica,
Taiwan
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2016: Distinguished Alumnus Award from Indian Institute of Technology
Kharagpur.
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2017: Honorary Doctorate (Honoris Causa) conferred by National Institute
of Technology, Agartala
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2018: Keynote Lecture at the I2CNER Annual Symposium on Challenges in
Thermal Science and Engineering, Kyushu University, Japan.
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2018: Honorary Doctorate conferred by the Aristotle University of
Thessaloniki, Greece
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2018: Twenty seventh Dr. Amitabha Bhattacharyya Memorial Lecture of IEI, Indian
Engineering Congress.
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2019: Invited Talk at the Taiwan-India Joint Conference
at CASTS, National Taiwan University, Taiwan
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2019: National Technology Day Lecture at the CSIR-
National Geophysical Research Institute (NGRI), Hyderabad.
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2019: Plenary talk at the 7th International Conference on Advancements
and Futuristic Trends in Mechanical and Materials Engineering, IIT Ropar.
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2019: Plenary talk at the 7th International Congress on Computational
Mechanics and Simulation at IIT Mandi.
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2020: Plenary talk at the International Conference on Recent
Advancement of Mechanical Engineering, NIT Silchar
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2020: Plenary talk at the International Conference on Innovations in
Thermo-Fluid Engineering and Sciences, NIT Rourkela
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2020: Plenary talk at the International Conference on Energy and
Sustainable Development, Jadavpur University
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2020: Plenary talk at the International Conference on Fluid Mechanics and Fluid Power (FMFP-2020) at IIT Guwahati
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2021: Plenary Lecture at the Advances in Computational Heat Transfer (CHT-21) at Rio de Janeiro, Brazil
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2021: Institute Fellow of the Indian Institute of Technology Kanpur-2020
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2022: Distinguished Teacher Award - 2022 by Indian Institute of Technology Kanpur
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2023: Bestowed with 2023 ASME Heat Transfer Memorial Award in the Science Category
for Sustained and Outstanding Contributions to Thermal Science and Engineering, including Heat Transfer Enhancement,
Phase Change Heat Transfer with and without Electrohydrodynamic Forces and Dynamics of Liquid Jet and Droplet Impingement.
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Reviewer for the following journals: International Journal of Heat and Mass Transfer, International Journal for Numerical Methods in Fluids, Numerical Heat Transfer Part-A, Journal of Engineering Mechanics (ASCE), Enhanced Heat Transfer, Journal of Heat Transfer (ASME), Computer Methods in Applied Mechanics and Engineering, Journal of Fluids Engineering (ASME), International Journal of Thermal Sciences, Physics of Fluids, Journal of Computational Physics, Journal of Fluid Mechanics.
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Membership: Indian National Academy of Engineering (Fellow), American Society of Mechanical Engineers (Fellow), The Institution of Engineers, India (Fellow), ILASS (South Asia), NSFMFP (India), ISHMT (India), World Innovation Foundation (Fellow)
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Education: PhD (1985) Indian Institute of Technology Kharagpur