I went for an interview through walkin .first will be aptitude round in this they will asking (Verbal ability, logical reasoning, verbal reasoning). And followed by some technical questions . Its very easy

Aptitude round and tech round. It was very easy, friendly interviewer. Just learn manual testing and java basic. All the best for interview. Be through with concepts what ever you learn. Question may arrive based on your answers. If you are good at that, interview will be very easy.