Hello,

First of all if you want to crack SBI or any other aim for that matter, the mindset and attitude have to be correct, you need to belief in yourself and your abilities, else it won't be possible. There's no point dwelling in the past, we only keep the past alive by thinking about it, else in reality it's all gone. Try to work on yourself, and be patient, even if you take small steps then appreciate that effort, it's so so important to have a good relationship with self first, that you are trying for something and even if you falter like we all do, you get up and fight, you don't give up, experiences or circumstances are just part of life, any of these events whatsoever don't define you  as a person, there's always scope for improvement and try to fo yoga and meditation, it'll calm you down and bring a great level of clarity.