It is a great pleasure to welcome you to the 1st International Conference on Mechanical, Materials and Renewable Energy (ICMMRE 2017) organised by Mechanical Engineering Department, SMIT, Majitar, East Sikkim from 8-10 December 2017. The proceedings of the conference will be published by IOP publishing house. All the submitted papers are gone through double blind review before accepting them in the conference. In this conference there will be two plenary talks followed by five keynote lectures. These will be subsequently followed by 18 parallel technical sessions. The speakers/experts for plenary and keynote address are drawn from academic and R&D organisations. The aim of the conference is to provide a common platform for Students, Researchers, Practicing Engineers, Academicians, Industry Professionals and Participants to share their recent research work and to explore upcoming trends in various fields of Mechanical, Materials and Renewable Energy. We also wish to express our sincere thanks and appreciation to the International Advisory committee, National Advisory committee, Reviewer committee and all those who are directly or indirectly involved in organising this International Conference. We also like to express our deep appreciation to eminent personalities like Prof. A. B. Chattopadhyay, Prof. P. Muthukumar, Dr. A. Sreekumar, Dr. Amitanshu Pattanaik, Prof. B. K. Mandal, Prof S. Ghosh and Dr. Chandramohan V.P who have accepted our request to deliver keynote talks in the conference. Also we would like to thank all the sponsers namely DRDO, NHPC Stage V, Union Bank of India Majitar, Pankaj fuel pump Majitar for propiving the necessary fund to organize the conference. We are also thankful to all the authors who contributed their research papers to this conference without whom one cannot think of this type of mega conference. We also acknowledge the contribution of all session/program chairs without whom it won’t be possible to conduct the technical sessions.Our sincere thanks to the honourable Vice Chancellor (SMU), Registrar (SMU), Director and all the staff members of Sikkim Manipal Institute of Technology for providing the logistics, technical, administrative and financial support to make ICMMRE2017 a grand success. We would like to express our sincere appreciation to all organising committee members and student Volunteers, for making ICMMRE2017 a grand success. Our sincere thanks to IOP publishing house for accepting the request to publish the conference proceedings of ICMMRE 2017.