There were 3 rounds - 1st Aptitude, 2nd Tech + Managerial Round, 3rd Behavioral + HR Round
In 2nd round, there were two panelists, one of them was senior software engineer specialist. They asked basic OOPs and DBMS questions. Then they asked a simple basic coding question to find max and 2nd max from the array and asked a dry run for it, questions on reactjs as my projects were on it, internship experience.
Then they asked managerial questions on some situations and typical HR questions too like what if pay only half the salary, etc. The round went for about 1 hr.
The 3rd round was taken by one of the directors of the company. He asked me about my final year engineering project, company's values and how do you align with them in day to day life, etc. Overall it was pretty simple and lasted for 30 mins.
My advice is not to say anything negative and just be confident and be as agreeable as you can.