Hello,

The minimum age to appear for banking exams is 21 years age, so it's not at all too late, if you're determined to make a career in banking, then start your preparation right now with right attitude and mindset. Remeber that every aspirant is a begineer in some way or the other, we all learn and that's how we grow.

So, have faith in yourself and your abilities, getting a good grasp over General Awareness is not a humongous task so to speak, it's just that you need to be updated with latest happening in every sphere of life whether it's business, economics, techonlogy etc.

So, start with reading newspaper on a daily basis, you can start with The Hindu or Indian Express,read  the editorials daily,it'll help you in vocabulary, comprehension and increase your general awareness as well. For banking and business part,you can read The Economic Times, just continue doing this on a regular basis, you'll see that you're improving and it'll also boost up your self-belief.