Math Section
This section is the trickiest as the given Maths problems are difficult even for the Maths students let alone the nin math students. The key lies in the approach to the question which is not at all easy. The questions can be asked from any topic and from any level. You need to be exceptionally talented at least for this section.
English Section
Try to attempt this section first as the questions are quite lengthy. But this section is comparatively easy, you can surely clear it.
Overall, the paper pattern is definitely tricky, after all, it is IIM, and the competition needs to be tough.