CBI SWO A 2013 Interview State wise Cutoff marks are available. If you are below that mark, you will get invalid login message. If you are above the stipulated cutoff mark, then you have to check your reg number and password once.
Click here for CBI Clerk 2013 Cut-Off Marks for Interview
I cant say whether you can get job or not. Everyone will have chance if you perform well interview. They can even fail the top ranker if they are not good in interview (It was really happened). So, prepare for interview well to outrank others. All The Best!