They mostly asked questions related to C, Data Structure and Compilers only..

In the interview process, they asked questions related to question paper like how you got this ? Can you explain me this
problem how you got it? Why did you choose this option? Design a Adder? Some Question were based on Advanced
compiler Design and Modern Compiler Design

Work Hard on Written Test and try to Apply to each and every company that is eligible to you . Main focus should be on
the Written test because this is the entry point to the next round. Practice more and more on quantitative Aptitude and non
reasoning things like Verbal, English, Vocabulary, and Try to writing algorithms of every Data Structure and solve more
and more puzzles.

Be confident while giving your answer and be sure you know the concept of what they are asking before hand that will be
very help to you.