The whole process had 4 rounds: 1) Aptitude and Essay. 2) Technical MC Quizzes 3) Technical Interview 4) HR Interview Technical questions comprise of basic concepts from your branch related topics plus basics of computer science ( c,oop,dbms) , you may also be asked to write basic programs like palindrom check, reverse a number, prime check etc. Questions will also depend on what you have mentioned in your resume, make sure that you have proper understanding of the thing that you have mentioned in your resume. If you will mentioned java in your resume then questions will be asked from it also so if you are not confident then mention just one language ( c or c++). You will be asked to explain your b.tech project also so prepare an abstract description of it.