Respected Sir/ Madam,
With humble regard, I write this email to mention that I am ______ (name) and I am working as a _______ (designation) in _______ (department). My employee ID is _______ (mention ID).
Respectfully, I would like to bring to your notice that due to _________ (mention reason) I will not be able to come to the office for the next ___ (days) from __/_/____ (date) to __/__/____ (date). In this regard, I request you to kindly allow me to work remotely and I assure you that I will complete the daily task with the same work productivity. I hope that you will consider my request and approve my request as soon as possible.
Thank you for your time and consideration. I am waiting for your response.
____________ (Contact details)