Dear Sir/ Madam,
Respected, this is to most humbly inform you that my name is ___________ (name) and I am working in ____________ (department) department of reputed company for last ____________ (mention duration). My employee ID number is ______________ (mention your employee ID number).
I write this email in order to request you to kindly allow me to take leave on __/__/____ (date) as I have to attend my ___________ (brother/ son/ sister/ relative)’s birthday. I shall be highly obliged if you could approve my request at the earliest. I assure you that I will be completing the pending work as soon as I get back to the job.
___________ (employee ID number)