Hey! B.E. in Instrumentation Engineering is a 4-year full-time undergraduate course. Eligibility for the course is 10+2 examinations or an equivalent examination from a recognized board.  The syllabus of Instrumentation Engineering (IN) consists of 9 broad sections Engineering Mathematics, Measurements, Analog Electronics, Electrical Circuits, Control Systems, Digital Electronics, Signal and Systems, Sensors, and Industrial Instrumentations & Communication and Optical Instrumentation. Hope this may help you.