Bihar Board 12th Scrutiny 2023 Last Date Extended: The Bihar School Examination Board (BSEB) has extended the Bihar Board class 12th 2023 scrutiny form last date until April 01, 2023, on its official website. The students unsatisfied with their Bihar Board 12th result can apply for scrutiny (revaluation) on the official website of the BSEB, biharboardonline.bihar.gov.in.