It was casual and ok. Inexperienced HR person with common HR questions like tell us your greatest strength & weakness. Come on, they need to grow up. Hiring manager did not ask any technical question. It was a leisure talk with them.

Have two session 1. exam involve with personality and IQ test - All question is MCQ and 1 hour time given to complete the test. 2. face to face Interview with head of department and department manager - Not too technical interview. - most of the question is to look for candidate confident and critical thinking.