CMI Entrance Exam 2026

Chennai Mathematical Institute (CMI)

CMI is a premier research and education institute known globally for its undergraduate and postgraduate programs in Mathematics, Computer Science, and Physics. The CMI entrance exam is widely regarded as one of the most challenging and rewarding tests of mathematical thinking in India, focusing on proofs and logic rather than just calculation.

📅 2026 Critical Timeline

  • Applications Opened: Monday, March 2, 2026

  • Application Deadline: Saturday, April 4, 2026 (11:59 PM IST)

  • Admit Card Release: Saturday, April 25, 2026

  • Examination Date: Saturday, May 2, 2026

  • Exam Timing: 2:00 PM to 5:00 PM (or 5:30 PM for some programs)

  • Academic Session Starts: August 3, 2026

🎓 Programs & Eligibility

  • B.S. (Hons.) in Mathematics & Computer Science / Physics: * Eligibility: Passed or appearing in Class 12 (or equivalent) with Mathematics as a subject.

    • Direct Admission: Students with exceptional performance in National Olympiads (Mathematics, Physics, or Informatics) are typically exempted from the entrance exam but must still apply online.

  • M.Sc. / Ph.D. in Mathematics, Computer Science, or Data Science:

    • Eligibility: Undergraduate degree (B.A., B.Sc., B.E., B.Tech, etc.) with a strong background in the respective subject.

  • Ph.D. Physics: * Note: CMI does not conduct its own exam for this; selection is based on JEST scores.

📝 Exam Pattern (B.Sc. Mathematics & CS)

The UG entrance test is a paper-pencil-based exam designed to test mathematical aptitude.

  • Part A (Objective/NAT): Includes Numerical Answer Type questions and Multiple Choice Questions. This section acts as a screen; Part B is graded only if you meet the Part A cutoff.

  • Part B (Subjective): Descriptive problems requiring detailed proofs and logical reasoning. This is the core of the evaluation.

  • Marking: Part A usually carries 40 marks and Part B carries 80 marks (Total 120). There is typically no negative marking in Part A.

📂 Application Details

  • Official Portal: cmi.ac.in/admissions

  • Application Fee: * B.S. Programs: ₹1,100

    • M.Sc. / Ph.D. Programs: ₹1,100 (Single category) or ₹1,300 (Multiple categories)

  • Exam Centers: Conducted in approximately 37 cities across India, including major hubs like New Delhi, Mumbai, Chennai, Kolkata, and Bangalore.

📚 Preparation Strategy

  • Quality over Quantity: Focus on the Challenge and Thrill of Pre-College Mathematics and Excursion in Mathematics.

  • Practice Proofs: Unlike JEE, your ability to write a logically coherent proof is vital for Part B.

  • Past Papers: Solve at least the last 10 years of papers available on the CMI website, as the flavor of questions remains consistent.

Pro-Tip: If you are also applying for the ISI (Indian Statistical Institute) Admission Test, note that the syllabi overlap significantly. However, CMI tends to be slightly more "abstract" and proof oriented.

🔗 Official Links