The circular dated February 2nd 2023 is regarding the Atal Tinkering Lab (ATL) Marathon 2022-2023. This is a National level innovation challenge, where students identify community problems of their choice and develop innovative solutions in the form of working prototypes. The theme for ATL Marathon 2022-23 is “India’s G20 Presidency”. The themes & problem statements of this year’s ATL Marathon are inspired by the various working groups of the G20. The students can choose any of the problem statements provided in the details enclosed or work on a problem statement that they find around themselves. The competition is open to all students of India. Last date to submit entries for the ATL Marathon 2022-2023 is 28th February 2023. Link for participation along with other details is given in the document.