Hi, hope you are doing well!
Getting selected in BIG 4's doesn't have much to do with high marks, but you need to make sure that you clear your level in first attempt to even have a marginal chance. There are interns in Big4s with 350 marks in IPCC, and those with 580 as well. So please make sure you crack your exam in one attempt, that's the most important criteria.
The interviews test your technical, analytical, communication, and teamwork skills. Some of the questions can be as follows:
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