CBSE Class 12 date sheet 2021 released? Here's what PIB has to say ANI File Photo A date sheet for 2020-21 Class 12 examination allegedly issued by the CBSE is in circulation on social media. However, there were many who questioned the veracity of the document, purportedly used by the Central Board of Secondary Education (CBSE) for 2021 Board Exam for Class 12. Netizens also sent the query to the Press Information Bureau (PIB) which shared the correct information on Twitter. The PIB took to Twitter and wrote, "A date sheet for 2020-21 class 12th examination allegedly issued by the #CBSE is in circulation on social media. #PIBFactCheck: This date sheet is #Fake."