2024: Sectional Lecture at the ICTAM (International Congress of Theoretical and Applied Mechanics) 2024, Daegu, Korea, August 25-30.

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.

https://www.asme.org/about-asme/honors-awards/achievement-awards/heat-transfer-memorial-award

2022: Distinguished Teacher Award – 2022 by Indian Institute of Technology Kanpur

2021: Institute Fellow of the Indian Institute of Technology Kanpur-2020

2021: Plenary Lecture at the Advances in Computational Heat Transfer (CHT-21) at Rio de Janeiro, Brazil

2020: Plenary talk at the International Conference on Fluid Mechanics and Fluid Power (FMFP-2020) at IIT Guwahati

2019: National Technology Day Lecture at the CSIR- National Geophysical Research Institute (NGRI), Hyderabad.

2018: Honorary Doctorate conferred by Aristotle University of Thessaloniki, Greece

2018: Keynote Lecture, I2CNER Annual Symposium on Challenges in Thermal Science and Engineering, Kyushu University, Japan

2017: Honorary Doctorate (Honoris Causa) conferred by National Institute of Technology, Agartala, India.

2016: Distinguished Alumnus Award from Indian Institute of Technology Kharagpur.

2015: Associate Editor, Computers & Fluids (international Journal of Repute)

2014: President, Indian Society for Heat and Mass Transfer

2013: Director, Indian Institute of Technology Guwahati, Guwahati - 781039

2013: Distinguished Alumnus Award: Bengal Engineering and Science University, (IIEST) Shibpur.

2013: Fellow of the Indian National Science Academy (INSA), New Delhi, India.

2011: Awarded J C Bose National Fellowship by Department of Science and Technology

2010: Acting Founder Director, Academy of Scientific and Innovative Research (AcSIR), New Delhi

2010: Delivered Prestigious CNR Rao Lecture at IIT Kanpur

2010: Fellow of the Indian Academy of Sciences (IAS, Bangalore) India

2009: Director, CSIR-Central Mechanical Engineering Research Institute (CMERI), Durgapur

2008: President, Indian Society for Theoretical and Applied Mechanics (ISTAM), India

2007: Fellow of the National Academy of Sciences (NASI), India

2006: Appointed as the Associate Editor of the Journal of Heat Transfer (Transactions of the ASME).

2004: Fellow of the Indian National Academy of Engineering

1994: JSPS Invitation Fellowship Award, Japan Society for the Promotion of Science, Japan

1987 - 1988, July-Dec 1992, May & June 1997:

Alexander von Humboldt Fellowship, Humboldt Foundation, Germany