Income tax faceless assessment

Sir my income tax case for the Assessment year 2017-18 was fixed for scrutiny u/s 142(1) that case will be decided on or before 31/12/2019 most the required documents filed by me mainly this case was selected against the deposit in cash during the period of demonitation but in the year the concerned AO has not decided the case,rather escape for the period of on or before 31/12/2020.In the said year no notice has been supplied to me in view of the covid or any other reason,but recently I have received notice for faceless asstt.in which concerned authority has asked me to furnish all the details, account books, statement of sundry debtors and creditors on or before 7th day of received of notice.Sir I am helpless to provide the all things because the last date of proceedings is 30/09/2021.Sir I am in need of your servicese, please guide me.thanks.