ION Group Rotational Developer interview questions

First the online test was conducted, then around 300 students were shortlisted for the round 1 interview process, i was not selected further, so i dont know about further rounds. But at last around 30 students got selected for full time offer

ION Trading company visited our Campus. 1) First Round was aptitude round it contained some MCQs and two codes, difficulty was average 2) Second Round was Technical Round(18/100 were shortlisted) - They asked us puzzles , OOPS concepts, DataStructures and a problem statement was given we had to show our approach 3)4-5 of us were selected to visit their Noida Campus for further rounds , Third Round was Managerial round - they provided us with the travel and accommodation 4) Some students were shortlisted after third round and were called to meet Sanjay Sir (Country Director)