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Automation and control of Corex process in steel plant is presently adopted through cables. The parameters like temperature, pressure, flow, level etc are to be measured using sensors and transmitted these analog signals to main control room by compensating wires and special cables through a long distance, Due to excessive heat and dust around the corex furnace results in burning and damage of cables which brings severe problems such as high cost, low reliability and maintenance difficulty. The automation will incorporate advance monitoring and control that improve operations and system reliability. The concept present in this paper includes the study and implementation of wireless monitoring and control system for Corex plant through Radio Frequency (RF) signals and Bluetooth device. The automation process Test module was designed and used for testing practical existing system of Corex process of JSW steels, Toranagallu, Karnataka, India. The proposed algorithm was designed for automation of Corex plant in NI LabVIEW simulator and Ardinuo, then same to be interfaced with field instruments using My DAQ device and Radio Frequency (RF) and Bluetooth wireless modules.