Hey aspirant,
NIOS allows students to give class 10th improvement exam if the students feel they did not perform well in a subject.
They can apply for the same by paying the NIOS examination fee. A student can appear for compartment exam only once during the admission period (5 years).
But as you have given your 12th exam now, you can appear for 12th improvement exam. You should have applied for 10tg improvement exam after completing 10th.
Hope this helps,
All the best!
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