“…IoT represents a collection of “Things” or embedded devices connected using various wireless technologies such as private and public networks ( Atzori, Iera & Morabito, 2010 ). Based on the application domain, IoT applications are classifiable into six groups, for example, health care ( Zeb et al, 2016 ; Ambarkar & Shekokar, 2020 ), environmental ( Kumari & Sahana, 2019 ; Behera et al, 2020 ; Zhuang et al, 2019 ; Jawad et al, 2017 ), smart city ( Santos, Jimenez & Espinosa, 2019 ; Luo, 2019 ), commercial ( Li & Cheffena, 2019 ; Khanna & Tomar, 2016 ), IoT based robotic ( Roy Chowdhury, 2017 ) and industry ( Zhu et al, 2020 ).…”