First round consists of basic aptitude questions. Questions from Quantitative and logic reasoning type were asked, followed by an essay writing. Time alloted for aptitude was around 1 minute per question and time alloted for essay writing was around 30 minutes. Each student gets different topic. Shortlisted students for next round were announced immediately.
This round is purely technical. Objective questions from basic data structures and algorithms were asked. No negative marking. 15 questions from data structures and 15 from algorithms.
This round took for 45 minutes. Interviewer asked me to write algorithms and logic for few coding questions. Then he asked few puzzles. Then he asked me to explain about one of my project and questioned in between like What's new in this, What's your role, How can you develop furthur etc and then few normal discussions. Finally before leaving he asked me why do you choose software field.
This round is just formal one. General discussion was there. He asked me about family background, interests, strengths etc. Just be confident and express your views and doubts properly.