A group evaluation method for supplier selection based on GSCM practices in an indian manufacturing company

Abstract

Due to ever increasing consciousness and considerable environmental pressures from various parties, companies have begun to understand the significance of including green practices into their daily activities. As the green issues are novel, evolving continuously and hence it requires a regular study and constant monitoring in this area to understand the problems properly. In this paper we propose a framework using interval type-2 (IT2) fuzzy Vlsekriterijumska Optimizacija I Kompromisno Resenje (VIKOR) method for evaluating suppliers in an uncertain environment. The proposed model is developed considering various green supply chain management (GSCM) factors. The trapezoidal IT2 fuzzy numbers are used in this study to handle the imprecision involved in the decision process. The proposed model is then demonstrated with a case study in an Indian manufacturing organization for selection of suitable green suppliers. Sensitivity analysis of the results is carried out to observe the influence of the preferences given by the decision makers.