Process automation, industrial IoT, and renewable energy are the field Nandi Powertronics Pvt. Ltd. pioneers, manufacturing relay modules, diode logic modules, opto-isolation relay modules, digital thermostats, IoT sensors, and control panels. Founded in 1996 and headquartered in Bengaluru, it serves machine-tool companies, telecom operators, and research organizations, offering in-house design and PCB assembly using SMT and through-hole technologies. ISO 9001:2015 and ISO 14001 certified, it works mainly in India.