Usually, Deloitte interviews have 3–4 rounds, depending on the role (Tech, Consulting, Risk, Audit, etc.): Online Assessment (Aptitude + Technical Test) Aptitude: Logical reasoning, quantitative aptitude, verbal ability. Technical (if applying for tech roles): Basic programming (Java, Python, C++) SQL, DBMS, and sometimes a bit of cloud or cybersecurity basics. Group Discussion (GD) (Not always) They might give a topic (business-related or general) and assess your communication and thinking skills. Sometimes this is replaced with a "Just a Minute" (JAM) session. Technical Interview Topics to Prepare: Data Structures and Algorithms (basic to medium level) OOPS concepts DBMS, SQL queries Basics of Networking, Operating Systems (for tech roles)