The NMMS exam centers vary by state, and you can find the specific centers for each state on the Careers360 website.

For example, in Jammu & Kashmir, the exam centers include Doda, Jammu, Kathua, Kishtwar, and others. Each state conducts its own test for the National Means-cum-Merit Scholarship, so the specific centers will be listed by the respective state education authorities

Also, you can ask your school hanur for NMMS exam..