RBI vide Press Release No. 2021-2022/900 has notified that the rate of interest on Government of India Floating Rate Bonds, 2033 (GOI FRB 2033) applicable for the half year September 22, 2021 to March 21, 2022 shall be 4.62 percent per annum.
https://www.rbi.org.in/Scripts/BS_PressReleaseDisplay.aspx?prid=52264