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Communication and automation was limited to the interaction between machine and the user with user being the operator of the machine. Industry 4.0 driven by IoT has brought the tectonic shift on how the communication happens which is not just limited to Human-Machine interaction but also Machine-Machine data exchange. This has led to new form of automation with physical systems/resources connected to internet and indeed with each other. These interconnected devices generate large amount of data which when deciphered properly can provide us with range of different applications in every possible sector. Manufacturing industries in India being at the forefront of this implementation currently, IoT provides best of communication and automation techniques to increase productivity and profits.
Gambhire et al. (Wed,) studied this question.