First we had to apply for an online test which was an aptitude and verbal test. It had 50 questions and the time alloted was 22 min. Questions were very easy.
Second round was pen & paper technical mcq test. It mainly focused on Java and Software Engineering.
After qualifying these two mcq rounds, there were three interview :
1) Technical Interview 1
2) Technical Interview 2
3) HR Interview
Technical Interview 1 was purely technical in which interviewer asked about OOP, Java(mainly) , some coding related questions , Sorting algorithms and which you prefer to use and why, Diamond problem, Data Structures, Types of Data Structures, Database Keys and explain them,SQL queries.
No OS and Computer Network related questions were asked.