I applied through campus recruitment, firstly there was an aptitude test, an easy one and consisted some general knowledge questions, logical and some technical questions related to your branch. After that there was a one on one technical interview, as I was from instrumentation Branch, the questions were mainly from flow, temperature, humidity and level measurements, some from process contro and one question from microprocessor was also asked. Finally there was a technical + hr panel interview, the panel consisted of 5 members. Here I was asked why did I take this branch of engineering, and Some questions about accuracy, precision, resolution and the practical applications