Every year, thousands of postgraduate mathematics students take an exam that determines whether they will secure funding for research in India or an opportunity to pursue a career in teaching. In this exam, it does not matter how many hours you spent memorizing formulas in college; the test assesses whether you truly understand the subject matter. It is precisely this distinction that makes the exam far more challenging than many students anticipate. If you are preparing for the December 2026 exam, you are likely feeling a mix of excitement and apprehension. That is perfectly natural. Let us explore what the exam actually demands and how you can prepare for it without unnecessary stress. CSIR NET 2026 Timeline You Should Know It is held twice a year, in June and December sessions. CSIR NET Mathematics is one of five science streams covered. Notifications for the December cycle typically drop sometime between September and October.