Persistent Systems Software Engineer Internship interview questions

First step- online assesment consist of two coding and apti questions second- selected student gone through a 2 month training program third - again another assesment in which two coding question were there. one is medium level another is hard fourth- interview round

After test you get called for 1st round of interview where they ask you basics of engineering subjects. If you pass that then you get called for 2nd round of interview where you have to explain your projects and code if possible. If you clear that then you get called for final 3rd technical round where a senior employee of persistent asks you questions from your CV and all the technical Skills listed in it. Like python,java,OS, etc and then give you code for certain patterns (Pen and Paper coding)