Yes, it's possible to have your marks increased in a CBSE 12th re-evaluation even if the difference is between 6 and 7 marks.

While smaller increases (1-5 marks) are more common, moderate increases (6-10 marks) are also seen in a decent percentage of successful revaluations.

The key is to understand that re-evaluation involves a recalculation of marks, and if there are errors in totaling, or if a question wasn't evaluated, or if there's a discrepancy in communication of marks, these can be rectified.

Thank you!!