Mine interview was conducted in my college placement drive. First round was a technical interview round. Difficulty level depends on the interviewer you get, there will be a plenty and will range from highly technical to easy going. Mine was the later one. Asked some basic questions about c++ and some easy logical and reasoning questions. Some others were pretty grilling too and will ask questions based on your college stream and any computer language you have knowledge about. Basically the objective is to know if you are proficient enough in basic logical reasoning and communication skills.

1st Round - NQT Exam pattern 2nd Round - Interview with TR MR HR Self Intro Explained Projects briefly Coding questions on prefered programming language Asked about relocation Basic HR question like why TCS, why should we hire you, what package do you expect, can you work without training.