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While the industry 4.0 revolution has gained momentum and many organizations are exploring new ways to leverage IoT with expectations to enhance business processes and overcome existing challenges, there are many questions people have around IoT implementation with the existing infrastructure. At present, one of the burning questions in the market is will IoT replace Supervisory Control and Data Acquisition (SCADA) in a new era for manufacturing? Such questions not only help industrial companies understand the future relevance of current technologies but also help them take near-term automation investment decisions. Manufacturing is already a mature industry and technology has paved the way since long for improving manufacturing processes with prevalent systems like SCADA. Since there is a new tidal wave of data emerging from IoT, what role existing systems like SCADA will play is something everybody wants to know. Next phase of manufacturing- Has SCADA had its day? The good news is that SCADA is here to stay and the Internet of Things is the next phase of smart manufacturing that upgrades SCADA by making it more intelligent and smart. IoT complements both distributed control system (DCS) and SCADA by widening existing capabilities like real-time data capturing, anomaly/machine breakdown alerts, real-time control, data logging, data analysis, and visualization.