The Human Resource Manager,
__________(Name of the Company),
Subject: Complaint regarding rats in the office
This is to bring in your notice, I am __________(Name), __________(Designation) from __________(Name of the department) department.
I am writing this letter on behalf of my department to inform you that there are too many rats in __________ (Room Number) of __________(Department) department. The situation is already out of control as rats are damaging the company’s property and documents.
Kindly, take this as a humble request and take the needful actions at the earliest.