To, [Teacher/Professor's Name], [Designation], [Institution Name]
Date: [Date]
Subject: Request for a letter of recommendation
Respected Sir/Madam,
I am [Your Name], your student in [subject/course] during [year/semester]. I am applying for [opportunity, e.g. a scholarship / higher studies / an internship] and a letter of recommendation from you would greatly strengthen my application.
I would be grateful if you could kindly write one for me. I have attached my resume and details of the programme, and the deadline is [date]. Please let me know if you need any further information.
Thank you very much for your time and support.
Yours sincerely, [Your Name]