first round is a OA round , 75 mins of aptitude , debugging, active passive and another 75 mins coding round which has 3 DSA questions , then if you'll give technical round after clearing first round and then the third round which was HR round

Simple, basic questions- one stack question and some core java tricky question - type of interface , method reference like that and coding question is pretty simple and interviewer has no more knowledge depth in backend .