first a written round about testing basic concepts in civil then tech round specific to your profile and hr or may be both combined the interview test whether you have the same skills in line with the companies values and you have a strong can do will do policy

Campus placement Competency test -> Technical Interview -> HR interview Interviewers were good knowledgeable senior managers, they spoke nicely and made me feel comfortable If you don't know any answer, just say you don't know instead of guessing Technical was good, HR interview was very good. Got an offer immediately after my interview and accepted it