Hey,

The answer to your question is Yes. Every CA student is allowed to follow an additional course along with the CA course.

The list of courses you can choose are,

• ACCA- Association of Chartered Certified Accountants
• Financial Modeling
• CFA- Chartered Financial Analyst
• CIA (USA)- Certified Internal Auditor
• CPA- Certified Public Accountant
• SAP- System Analysis Program Development
• CS- Company Secretary
• FRM -Financial Risk  Management.

Hope that helps.

Thank you