Round 1: MCQ: Numerical reasoning, Logical Reasoning, Verbal reasoning and Domain knowledge.
Round 2: Technical Interview L1: based on your CV and what you have worked on.
Round 3: Technical Interview L2: Based on the core concepts of Data Scientist. Interview will be in Drill Down approach where they will keep going deeper until you say you don't know the answer. Try to answer atleast 3 deeper questions to get an offer
Round 4: Managerial Round