Yeah! That is the most probable solution for you. But this may lead to a double registration of yourself which may cancel your application. I would recommend you to contact the concerned authority and do this after there confirmations.

For SBI CLERK 2021 preparation strategy you can visit the link provided below:

https://competition.careers360.com/articles/sbi-clerk-preparation-tips

I hope this might help. All the very best for your future endeavors!