Interview is straight forward. There are 3 or 4 rounds, 1st Round-MCQ, 2nd - PROGRAMING, 3rd - PROGRAMMING, 4th -HR. 3rd round may or may not exist. If your selected in first three round it's almost like selected.

First Round was aptitude followed by Programming Round like pattern, Fibonacci series,prime number, Reverse Third round will be 2nd techinal round they asked basic questions about java Then HR round