“…Six Sigma has been carried out in multiple sectors. We find case studies conducted in automotive industry (Sambhe and Dalu, 2011;Surange, 2015;Valles et al, 2009), electronics (Choi et al, 2012;Patterson et al, 2005), construction (Negi et al, 2017;Siddiqui et al, 2016;Stewart and Spencer, 2006), health care (Antony et al, 2018;Benedetto, 2003), banking (Sunder, 2016;Sunder and Antony, 2015), tourism (Pearlman and Chacko, 2012), airlines (Gibbons et al, 2012), among others. Thus, it was observed that Six Sigma has been widely implemented with different objectives in industrial and services companies (Raja Sreedharan and Raju, 2016;Sunder et al, 2018).…”