See if you wish to appear for the examination, then you need to be at least 21 years of age as of on April 01 of the appearing year. So as your DOB is March,2003, then you are eligible for the SBI PO 2024 .

So you can apply for the SBI PO 2024 when the application form will be out in the year 2023.

For more information regarding SBI PO consider the link below:

https://competition.careers360.com/exams/sbi-po#:~:text=Candidates%20who%20meet%20the%20eligibility,only%20appear%20for%20the%20test.

I hope this helps. Wish you a great eve!