It sounds like Kazi Tokir Ahmed Shawon has achieved a significant milestone by securing a UK visa for higher studies at the University of South Wales. This accomplishment is likely the result of his hard work and dedication. Here are a few key points that might outline his success story:

1. Academic Excellence: Shawon likely maintained a strong academic record throughout his previous education, which would have been a critical factor in his acceptance to the University of South Wales.

2. Application Process: Successfully navigating the application process for both the university and the UK visa involves careful preparation, including writing personal statements, gathering recommendation letters, and meeting specific academic and language proficiency requirements.

3. Extracurricular Activities: Involvement in extracurricular activities, volunteer work, or relevant job experience might have strengthened his application, showcasing a well-rounded and proactive profile.

4. Support Network: Having a supportive network of family, friends, teachers, and mentors can play a vital role in providing guidance and encouragement throughout the process.

5. Determination and Perseverance: The journey to studying abroad can be challenging and filled with obstacles. Shawon's determination and perseverance would have been crucial in overcoming any setbacks or difficulties along the way.

6. Future Aspirations: His decision to pursue higher studies at the University of South Wales indicates a clear vision for his future career and personal development goals.