First is about a project assessment. You are given descriptions on what to do (write codes and report) . After that there will be a Skype interview which took about 30 mins. All technical questions.

Round 1 : An assignment to build a classification model & prediction model using their company data set. Round 2 : Another assignment to build a ranking algorithm Round 3 : telephonic interview (HR) Round 4 : Technical Skype Interview (with Data Scientist)