Final answer:
The student is requesting a 2-day leave to attend their mother's marriage ceremony and they need to write an application to the principal.
Step-by-step explanation:
Dear Principal,
I am writing to request your permission to take 2 days off from school to attend my mother's marriage ceremony.
This is a significant event in my family, and I would like to be present to support and celebrate with my mother on this joyous occasion. I understand the importance of attending school regularly, but I hope you can consider granting me this leave.
Thank you for your understanding.
Sincerely,
[Your Name]
Learn more about Leave application for attending a personal event