As there is nothing announced for 2018 admission cycle but as per previous year information, there is only one entrance test for all UG,PG,and Ph.D courses in CMI as students who wish to apply for M.Sc in Mathematics should have an undergraduate degree (BA, BSc, BE, BTech, etc) with a strong background in mathematics.

The complete admission criteria and syllabus is provided in below links -

Admission Criteria

Syllabus

Good Luck!!!