1st round: -This round consists mcqs, Most of the questions will be on C++ STL. 2nd round: -This round consists of two coding questions, the duration for this round is one hour, for me first question was Shoutout loud basically know as CountAndSay on Leetcode which is medium level questions, and can be solved in half an hour, second question was similar to 2SumClosest to zero question on Leetcode, which can be solved in half an hour. 3rd round: -This is technical round face-to-face with interviewer, the questions will be all sorts, from c/c++ programming, arm architecture, Linux system programming, communication protocols.