NISM Series VIII is moderately tough. The concepts are not advanced, but the 25% negative marking and the 60% pass mark punish guesswork, so many first-time candidates fail by a few marks rather than by a wide margin.
The paper has 100 questions in 120 minutes. That sounds generous, yet a good chunk of questions are numerical: option payoffs, margin calculations, hedge ratios, mark-to-market settlement. If you have never worked out what happens when a futures position bought at ₹1,000 closes at ₹1,040 with a lot of, say, 500 shares, those questions will eat your time.
Where students usually slip: reading the workbook once and booking the exam the next week; guessing on every doubtful question, which with negative marking can drag a 65 down to below 60; skipping the regulatory and clearing chapters because they feel boring; and not practising timed mock papers before exam day.
A practical rule: if you are scoring 70 or above consistently on full-length mocks, you are ready. If you hover around 60, give it another week. Commerce students with some trading exposure often need three to four weeks; someone completely new may need longer.
We run focused classroom preparation for Series VIII, with solved numericals and timed tests, in our NISM exam preparation course. There is also a 30-day study plan on our blog if you prefer to start on your own.