than come back device care interface and click on 3dot than click on automation and turn on adaptive power saving.
Dear Samsung Member,
Greetings from Samsung Customer Support!
To resolve your device battery drain issue please visit this link: https://www.samsung.com/in/support/mobile-devices/samsung-mobile-battery-drain-issue/
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
Thank you for writing to Samsung.
Samsung Customer Support