They Take 3-4 rounds of interviews first round is the technical round. They ask all basics to moderate level BA related questions and can also be specific to domain. In second round is the managerial round where they will be asking more managerial and business use cases and techno functional related discussion. Third round, mostly can be the client sound where the client will take the interview based on your profile and domain experience and fourth will be your HR round where you will do the salary negotiations.