The position offered was patent engineer-intern. It was done in a two rounds. The first round was an aptitude test consisting of general aptitude questions of mathematics, logic as well as computer science and electronics based questions.
The second round was a personal interview round in which we had to understand and explain an invention that was given to us in writing before the interview.
The interview was meant to assess general comprehension, general knowledge of technical subjects, energy and interest levels, confidence, analysis capabilities.