Hello,
The supplementary GSEb exam application form is not yet released. The students can give one or two supplementary exams. Yes Purak Pariksha is supplementary exam in hindi. GSEB Class 12th supplementary exams for Science will be held in the second week of July 2020. Please click the below link to know more.
https://school.careers360.com/articles/gseb-hsc-science-result
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