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OSSTET Answer Key 22 January 2020 Odisha OSSTET Written Exam Answer Key 2020 BSE Odisha OSSTET Question Paper 2020 Odisha Secondary School Teacher Eligibility Test (OSSTET) 2020 Written Exam Answer Key Download pdf Paper Set A B C D 2020. OSSTET Answer Key 22 January 2020 Board of Secondary Education Odisha (BSE Odisha)