MATTER: International Journal of Science and Technology ISSN 2454-5880 Available Online at: http://grdspublishing.org/ 32 Kumar et al., 2016 Volume 2 Issue 2, pp.32-47 Year of Publication: 2016 DOI- http://dx.doi.org/10.20319/mijst.2016.22.3247 This paper can be cited as: Kumar, N., Soni, S., Sharma, D., & Srivastava, A. (2016). Performance Evaluation and Emission Analysis of Variable Compression Ratio Direct Injection Diesel Engine. MATTER: International Journal of Science and Technology, 2(2), 32-47. This work is licensed under the Creative Commons Attribution-Non Commercial 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA. PERFORMANCE EVALUATION AND EMISSION ANALYSIS OF VARIABLE COMPRESSION RATIO DIRECT INJECTION DIESEL ENGINE Narender Kumar M.Tech student, Malaviya National Institute of Technology (MNIT), Jaipur, India narenderchoudhary2014@gmail.com Shyam Lal Soni Professor, Malaviya National Institute of Technology (MNIT), Jaipur, India shyamlalsoni@gmail.com Dilip Sharma Professor, Malaviya National Institute of Technology (MNIT), Jaipur, India dsharma.mech@mnit.ac.in Anmesh Kumar Srivastava PhD scholar, Malaviya National Institute of Technology (MNIT), Jaipur, India 2012rme9038@mnit.ac.in Abstract With the advent of enhancing environmental and fossil energy concerns, sustainability that can be done with the effective utilization of presently used energy sources, is of major concern. The world of today is working hard to solve energy related problems, such as, energy supply security,