There are multiple rounds in the interview.
1- Aptitude Test
It consists of Mathematics, Reasoning and English Questions.
2- SQL/JAVA
It consists of MCQ questions based of JAVA and SQL. Some questions would be to find the correct output of the mentioned Program.
3- F2F
They will ask you about your Technical Skills. Interview would be from your Resume. If you have mentioned JAVA then they would ask you about Strings, Array, Collection, Framework, Database etc. So brush up your skills as they would be looking into your approach towards a Program or a Question.
4- F2F by Manager/Sr Manager
They will ask you the question related to the Technical Skills mentioned on your resume. They will look at your approach.