Respected Sir/ Madam,
This is to most humbly inform you that I am _________ (name) and I am writing this email to request the issuance of a monthly bank statement for the bank account that I have been operating bearing __________ (mention account number) in your branch.
Through this email, I would like to inform you that I am in need of the bank statement for the above-mentioned account therefore, I am writing to request you to kindly issue the account statement for the _____________ (mention duration) and it is to request you to kindly issue it before __/__/____ (date).
In this regard, I shall be highly obliged for your quick action.
Thankful as always,
[Digital Signature – if applicable]
____________ (Contact details)