first online exam on c , c++ then selection process next day results next interview was taken next day results finally they will send offer letter and joining date with stipend for internship

Phone call with manager first, then 4 rounds of 1:1 interview. First 2 rounds purely behavior, next 2 rounds purely technical. Took really long to get back to me just to reject me. HM initially said I would hear back after 2-3 days but actually took more than 2 weeks to get back to me. Interviews overall wasn't hard except the 3rd round where he asked stuff I didn't learn in school yet.