“…Access to the internet via mobile cellular telephones, smart pre-paid metering for electricity, cheaper and renewable energy, solar-powered routers to equip rural libraries/schools with internet connectivity and so forth are all readily available technologies that could make a significant difference in providing basic necessities in developing nations. However, the existing literature has not yet identified the constraints that prevent the tribal groups from using Ind 4.0 to maintain sustainability in a closed-loop supply chain (Fenoglio et al, 2022; Katiki et al, 2021; Misra & Hiremath, 2012; Panda, 2017). Furthermore, additive manufacturing and IoT are the two technologies that can act as significant enablers between CE and Ind 4.0 (Lahrour & Brissaud, 2018; Lettori et al, 2020; Zhong et al, 2016).…”