e-con Systems Project Engineer- Software interview questions

it was a standardized process. it consisted of 4 rounds round 1 puzzles, hardware n software questions round 2 technical interview, round 3, hr interview , round 4 technical test CONSIDERING THE ROUND 1 puzzles test was written by all, and all the ECE, EEE students underwent the hardware test ri8 after the puzzles, while the CSE, IT students had a shortlisting from puzzles and then had to go through the sftware test. also the ece n eee students who passed the puzzles round underwent the software test