Since you got 51 percentile in gujcet, your rank will be around 33000-34000 if in general.

Admission in government colleges for general is based on merit, so in the stream of computer or IT it is very difficult. The average of your theory score and entrance exam score is considered final. If you are SC, or OBC, there is a chance you might get admission into the stream of your choice.

You can use the any online predictors to check your eligibility for colleges.