The agency is called the National Testing Agency.
The system allows a single candidate to raise an objection to a question.
A fee of roughly two hundred Indian rupees is required for each challenge.
When experts accept the objection, the revised answer key benefits all test‑takers.
The fee is returned to the student whose challenge is confirmed correct.
A candidate can pay a fee of about two hundred Indian rupees to question a problem in the provisional answer key.
If subject experts agree the question is wrong, the corrected answer key is applied to every candidate who took the exam.
The fee is refunded to the candidate whose challenge is upheld, discouraging frivolous challenges.
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