Hello,
Assuming that you belong to general category you can appear for SBI PO for maximum of 4 times. So if you start preparing now you might crack it within two years. The minimum age required is 21 years. It is actually challenging to cover both academics and other competitive exams at the same time. Few can manage both while few other cannot and it is completely okay. When you have to focus on one thing at a time you work effectively and efficiently. Take the advantage of this now. All you have to now work on SBI preparation. Make use of the time you have. It is okay even if you are slow, when you try and try you will get better.
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