Hello,

The registration fee for NIOS (National Institute of Open Schooling) varies based on the learner's category.

- For Class 12, the normal registration fee for five subjects is around Rs. 1,800 for male learners and Rs. 1,450 for females.

- For SC/ST, differently-abled, and ex-servicemen, it is Rs. 1,200.

- The fee for an additional subject is Rs. 720 per subject, which means if a student wants to add another subject beyond the five standard ones, this is the cost.

These fees may vary slightly, so it's advisable to check the official NIOS website for the most accurate and updated details.

Hope it helps !