“…These databases provide online delivery systems with full text access to thousands of high-quality articles and journals that cover a wide range of case studies of casting, chemical, textile, plastic, paper, steel manufacturing, auto, food processing, aerospace, electric and electronics industries. There are 112 research case studies taken for the critical review and analysis of measuring the success of Six Sigma in manufacturing industry (Thomas et al , 2016; Sahoo et al , 2007; Kuthe and Tharakan, 2009; Laureani and Antony, 2012; Singh and Khanduja, 2014; Chiarini, 2015; Andrew, 2009; Andrew and Barton, 2006; Andrew et al , 1994; Rivera and Marovich, 2001; Prashar, 2014a,b; Prashar, 2015; Singh et al , 2012; Bilgen and Sen, 2012; Cheng and Kuan, 2012; Hardeman and Goethals, 2011; Desai, 2012; Desai, 2008; Powell et al , 2017; Pranckevicius et al , 2008; Gijo et al , 2011; Gijo and Scaria, 2010; Gijo et al , 2014; Gijo et al , 2014; Lin and Wong, 2014; Amitrano and Lígia de Oliveira, 2014; Filardi et al , 2015; Wang and Chen, 2012; Radha Krishna and Dangayach, 2007; Nithyanandama and Pezhinkattilb, 2014; Maheshwar, 2012; Besseris, 2011; Barbosa et al , 2014; Sekhar and Mahanti, 2003; Hong, 2012; Nunes, 2015; Wu et al , 2011; Antony et al , 2012; Antony et al , 2016; Chen et al , 2014; Leu and Lee, 2016; Srinivasan et al , 2016; Srinivasan et al , 2014a, b; Chen et al , 2006; Srinivasan et al , 2014a, b; Gupta et al , 2014; Lee and Wei, 2010; Meng et al , 2011; Simanova, 2015; Kumar et al , 2006; Shanmugaraja et al , 2011; Kumar et al , 2007; Dora and Gellynck, 2015; Cabrita et al , 2015; Franchetti and Yanik, 2011; Franchetti and Pukhraj, 2013; Cournoyer et al , 2012; Zhang et al , 2014; Zhang et al , 2014; Shu et al , 2012; Kim et a...…”