As per the eligibility criteria of SBI PO, candidates must be between 21 to 30 years of age for general category. Since you have exceeded this age limit by 2 months, you are not eligible to appear for SBI PO exam. You can go through SBI PO eligibility criteria for more details.
For applying for SBI PO entrance exam you have to clear the eligibility criteria. One of the criteria is the age limit. For being eligible you have to be of age between 21 and 30. As you are 2 month older than that , you are not eligible to apply for the exam. Really sorry
SBI PO 2020 Full Practice Mock Test
Start preparing for SBI PO 2020 with S Chand Test Series