Wipro Project Engineer interview questions

It's a campus recruitment, the whole interview process took 3 days to complete. Day 1 written test students are categorized to toppers and non-toppers and written test are conducted accordingly. For topper written consist of only technical questions and for non-toppers it's a regular amcat based test along with essay writing. Students who cleared written gone through a technical round on day two, I've cleared written and for me technical round goes for around 50mins to that question were asked from OOP concepts, one programming question and around 20-22 SQL queries based on some scenario. After passing the technical round we were sent to HR on day three. It goes from morning 9:30 to 11:30 pm nightly, HR asked some behavioral questions regarding to your character and so on.