The NMMS (National Means Cum Merit Scholarship) exam's merit list for the SC category typically closes around 50-60% marks.

However, please note that the exact cut-off marks may vary depending on the state and the number of applicants. To get a better idea, you can check the official website of the state's education board or the National Council of Educational Research and Training (NCERT) for the latest updates on NMMS cut-off marks .