The circular dated August 27, 2021 is regarding 'Aryabhata Ganit Challenge (AGC) 2021' organized by CBSE to enhance mathematical abilities among students. Theme of the AGC-2021 is India's Mathematical Heritage: '????? ?? ???? ??'. The Board will host the Aryabhata Ganit Challenge on MyGov and DIKSHA platforms this year. This challenge shall be available from 31st August 2021 to 30th September 2021. Students from class 8 to 10 irrespective of the Board are eligible to participate in this challenge. Steps to access the challenge with required links are given in the document.