Instrumentation engineering deals with measurement, control, and automation of industrial processes. It involves using instruments to monitor and regulate variables like temperature, pressure, and flow. Instrumentation engineers work in many industries including steel, oil, petrochemical, power, aviation, aerospace, and defense. They design and implement instrumentation systems for applications like manufacturing plants, aircraft, medical equipment, home appliances, and more. Graduates have strong career prospects in both private companies and government sectors across various fields.