"Equalisation of marks for different question papers is OK. But spiking is absolutely unacceptable," HRD Minister Javadekar told English news channel CNN News18 in an interview broadcast on Wednesday.
The marks moderation policy was devised to make up for difficult question papers or confusing, inarticulate questions, which put students at a disadvantage.
Under this policy, students who appear in board exams can be awarded up to 15 per cent extra marks.
(With Inputs from IANS)
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