There were 3 rounds, 2 technical and one Manager. As i was having an experience of around 4.7 yrs LTE NW protocol layer2 and layer3 , so my interviewer started with logical puzzles like egg drop puzzle, finding average salary puzzle. The next round took by one of techinical lead and she asked lot of questions on the previous projects and challenges I faced while working on different project and approaches i took to resolve issues. 3Rd round was discussion with Manager , started with brief introduction and then acheivements, college academic project, and gave one problem of image processing and asked how you can represnt the image in programming and then create mirror image of the same. Write logic for it.. He wanted to see how i can formalize the requirements.