Here's a sample leave application you can use to request time off for the festival season:

[Your Name]
[Your Address]
[City, State, Zip Code]
[Email Address]
[Phone Number]
[Date]

[HR Manager's Name]
[Company's Name]
[Company's Address]
[City, State, Zip Code]

Dear [HR Manager's Name],

I am writing to formally request leave from [start date] to [end date] due to the upcoming festival season. I would like to return to my hometown to celebrate this special occasion with my family.

I understand the importance of my responsibilities at work and will ensure that all my tasks are up to date before my departure. I am also happy to assist in any way to ensure a smooth workflow during my absence.

Thank you for considering my request. I look forward to your positive response.

Sincerely,
[Your Name]
[Your Job Title]

Feel free to fill in the placeholders with your specific details and modify any part of the letter as needed.