Aptitude round was easy, even if you do only RS Agarwal book, you can clear that round. In 2nd round, interviewer was asking basic concepts related to programming, Software development life cycle and sql. Basically he will ask you things based on what you have written in your cv. Interviewer asked me core concepts of java, key features of it, some sql queries. Later he gave me a small problem statement and asked me to give logic to solve it. He also asked me about my project, what was the project, how we did it, what was my role in that, and all the things, Overall, it was great experience, and I cleared that round. Final round was with HR, it is just formality round as 90% who cleared technical interview will crack HR round also. He just asked me about my self, what extra curriculum i did in my college, and tested my English communication skills. That was it. After some days I got my offer letter.