International Journal of Innovative Research in Information Security (IJIRIS) ISSN: 2349-7017 Issue 01, Volume 6 (January 2019) www.ijiris.com ___________________________________________________________________________________________________________________________________ IJIRIS: Mendeley (Elsevier Indexed) CiteFactor Journal Citations Impact Factor 1.23 Impact Factor Value – SJIF: Innospace, Morocco (2016): 4.651| Indexcopernicus: (ICV 2016): 88.20 © 2014- 19, IJIRIS- All Rights Reserved Page -12 SUSTAINABILITY APPROACH IN GREENING BUILDINGS BY AN ADVANCED UNBIASED SCIENTIFIC TOOL Sharadindu Bikash Majumdar * M. Phil. (Energy Management), IISWBM, Kolkota, India majumdarsharadindu@gmail.com Piyali Sengupta Assistant Professor, Public System Management, IISWBM, Kolkota, India piyali.sengupta@gmail.com Prof. (Dr.) B. K. Choudhury Professor & HOD, Department of Energy Management, IISWBM, Kolkota, India binoykchoudhury@gmail.com Manuscript History Number: IJIRIS/RS/Vol.06/Issue01/JAIS10081 DOI: 10.26562/IJIRAE.2019.JAIS10081 Received: 02, January 2019 Final Correction: 12, January 2019 Final Accepted: 21 January 2019 Published: January 2019 Citation: Majumdar, Sengupta & Choudhury (2019). SUSTAINABILITY APPROACH IN GREENING BUILDINGS BY AN ADVANCED UNBIASED SCIENTIFIC TOOL. IJIRIS:: International Journal of Innovative Research in Information Security, Volume VI, 12-19. doi://10.26562/IJIRIS.2019.JAIS10081 Editor: Dr.A.Arul L.S, Chief Editor, IJIRIS, AM Publications, India Copyright: ©2019 This is an open access article distributed under the terms of the Creative Commons Attribution License, Which Permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited Abstract— Energy is now an indispensible resource for any activities in our day to day life. Optimum use of energy is more and more discovered today to be the secret of technological, economic and social supremacy of any nation in general and sustainability of human civilization to be more specific. Appropriate Energy Policy for the international and national bodies is at an evolving stage as research has revealed that sustainability of any organization is directly related to optimum use of energy which is reflected in Sustainability Index. Such policies on implementation through planning and analysis of energy intensive processes and gadgets, often stalled at a point of ambiguity because of lack of scientific parameters to help in the decision making process. For example, in energy studies and energy audit, the recommendations seems to be better with respect to other on certain parameters, such as, energy saving, CO2 emission reduction, monetary saving, pay-back-period, return-on- investment, internal-rate-of-return, etc. However, different parameters often suggests different order of preference for such recommendations leading to conflicts and stalling the implementation process and thus retarding the sustainability march of the body in particular and nation as well as globe in general. The present paper also finds a scientific solution to turn the conflict into a binding force by incorporating each opinion in a Multi-Criteria Decision Making Process leading to obvious ranking of alternatives through application of tools, such as AHP and ELECTRE. The various cases also presented in the paper confirm the validity of the process in University Campus, Greening of Buildings and Industry. Keywords— Sustainability Index; Multi-Criteria Decision Making (MCDM); ELECTRE; AHP; Greening of Buildings and Industry;