With a CUET score of 552 out of 800, you may be able to secure admission to the following Delhi University colleges for B.Com (Hons):

1. Shaheed Bhagat Singh College - CUET cut-off for B.Com (Hons) is 552

However, please note that the CUET cut-offs can vary each year based on the number of applicants and difficulty level of the exam. Additionally, the cut-offs are likely to be higher for the popular North Campus colleges.

To improve your chances of getting into a good DU college for B.Com (Hons), I would recommend:

1. Applying to a range of colleges, including some with lower cut-offs as well as your preferred options.

2. Checking the official DU website and college websites for the latest updates on CUET cut-offs and admission process.

3. Consulting career counselors or seniors who have gone through the DU admission process recently for personalized guidance.

4. Keeping an eye out for any changes in the admission process or reservation policies that may impact the cut-offs.

Remember, a good CUET score is just one factor in the highly competitive DU admissions. Factors like your 12th board marks, extracurricular activities, and interview performance also play a role. Stay positive and give your best in the admission process.