Dr. Sanjay Yadav, born in 1962, obtained his master degree in science (M.Sc.) in 1985 and Ph.D. degree in Physics in 1990. Presently, he is Chief Scientist and Head, Physico Mechanical Metrology Division of NPL. In addition, he is also holding the post of Professor, Faculty of Physical Sciences, Academy of Scientific and Innovative Research (AcSIR), HRDG, Ghaziabad teaching ‘Advanced Measurement Techniques & Metrology’ course, taking practical classes and supervising graduate, master and Ph.D. students since 2011. He is the recipient of research scholarships from Ministry of Home Affairs, India (1986); CSIR, India (1988); Col. G.N. Bajpayee Award of Institution of Engineers, India (1989); Commendation Certificates from Haryana Government (1991 & 1992); JICA Fellowship of JAPAN (1998), Commendation Certificates from SASO, Saudi Arabia (2003); 3 Appreciation Certificates from Director, NPL (2005); Managing Editor, MAPAN (2006-2014); nominated as Member of APMP Technical Committee of Mass Related Quantities (TCM), Australia (2013-2019); Nominated as Country Representative in APMP, China (2019); Vice President, Metrology Society of India (2020); Member, National Advisory Committee, NCERT, Delhi (2019); Members, Testing and Calibration Advisory Committee, BIS (2019, 2020 and 2021), and very recently received a prestigious International award i.e. APMP Award for Developing Economies, China (2020). He is working as the Editor-in-Chief (EIC) of the MAPAN: The Journal of Metrology Society of India. He has significantly contributed in the field of pressure metrology, biomedical instrumentation, ultrasonic transducers and instrumentation systems. His current research interests include research and developmental activities in physico mechanical measurements; establishment, realization, maintenance and up-gradation of national pressure and vacuum standards; dissemination of national practical pressure scale to users through apex level calibration, training and consultancy services; inter-laboratory comparisons, proficiency testing programme and key comparisons, implementation of Quality System in the laboratory as per ISO/IEC 17025 standard and Finite Element Analysis (FEA) and Monte Carlo Simulations for pressure balances. He has more than 350 research publications to his credit, published in the national and international journals of repute and conferences besides contributing in several books as editor and author, published bySpringer and MSI as well as in drafting several project, scientific and technical reports, documents and policy papers.

2. Dr. Prashant K. Jain is currently working as Associate Professor at Department of Mechanical Engineering, Indian Institute of Information Technology, Design and Manufacturing, Jabalpur. He obtained his Ph. D. from Indian Institute of Technology, Delhi. His major research interests include additive manufacturing, geometric modelling, CAD/CAM integration, and computational geometry. He has more than 85 publications to his credit, published in international peer reviewed journals, national and international conferences in India and abroad.