As long as you have relevant experience in C/C++ and/or telecom domain, you should get a call. There is usually 1-2 telephonic interview rounds, followed by an onsite interview, where you can expect anywhere from 5-7 rounds of face-to-face interviews. In the telephonic round, they go over your resume and ask the projects you have done based on your resume. This should not be too hard. They may also ask some personality based questions, like how would you respond to a particular situation etc. In the onsite interview, they take all candidates to a HR building, where you'll be briefed about the entire interview process by a HR person. And then they would take you in a cab to the interviewer's office. There they'll ask you to answer technical questions on a white board. There might also be a Then, if all is well, you'll get a call from the HR informing you about the good news!