CSR Query 135

Dear Sir/Madam,

What is the last date to spend CSR Amount for FY 21-22.

please note that the Company comes to ambit of Section 135 in FY 20-21 and contribution pertaining to FY 20-21 is already made in FY 20-21 itself.

Now what is the due date to continue 2% of Average Net Profit for FY 21-22 ? Is it 31/03/2022 or 30/09/2022 or 31/03/2023.