There were a total of 4 Interview rounds.
3 rounds of an online tests and 1 remaining a mix of technical + HR.
In first round we were having 2 sets of Aptitude sections. first section of 18 questions of number series and second section with Quantitative Aptitude questions.
In second round, there were 22 English questions which you can practice from Internet by typing IBM english interview questions.
In third round, we had 10 MCQs of programming and 1 code to write. This test was on HackerRank.
Next day we were called of final round. It was a simple round. The interviewer asked basic questions of programming and some questions from our Resume.
I'm from Chandigarh University. A total of 1800 students gave round 1 and 190 were selected for IBM at the end.