1st round - aptitude in Java, c, c++, python and numerical,logical. 2nd round - written exam, you have to write the logic of the problem. Mostly medium to hard level leetcode questions. 3rd round - HR and technical at the same time, Be ready with basic knowledge in OOPS, exception handling, and deep knowledge of the technologies you have used in the projects that are mentioned in the resume. Most of the questions were asked from the resume.