Hey there

Banking is a sector where maximum number of students apply and thus there is tough competition here do not feel disheartened at just 21 try again and this time I guess you should be taking help from a reputed platform where you can prepare sincerely.

Check the link

https://www.google.com/url?sa=t&source=web&rct=j&url=https://learn.careers360.com/&ved=2ahUKEwj7jrOT-qPqAhWJV30KHSlHAsgQFjAAegQIBRAD&usg=AOvVaw1ygKzacnBaQOPGaLiWbSgF

Here you can choose the course of interest and since you want to go for sbi there is sbi po separate course try it and you will get sure result.

Good luck