Hello Ayush,

You can combine your CBSE and NIOS mark sheets for your 12th-grade studies. When applying for further studies or any purpose:

- Include both mark sheets.

- Verify acceptance with the institution.

Sample Cover Letter:

[Your Name]

[Your Address]

[City, State, ZIP Code]

[Email Address]

[Phone Number]

[Date]

[Institution/Authority Name]

[Institution's Address]

[City, State, ZIP Code]

Subject: Submission of CBSE and NIOS Marksheets for Admission

Dear Sir/Madam,

I hope this letter finds you well. I completed my 12th grade under CBSE in 2023. I passed the Mathematics exam through NIOS. Enclosed are my CBSE and NIOS mark sheets.

Thank you for your assistance.

Sincerely, [Your Full Name]