The Organization name,
Dear Mr. / Ms. Director,
We are writing this letter on behalf of our official members and take pleasure to inform you that we decided to donate a sum of Rs.———— to your organization——————–.
Recently, we came to know about your (organization) and various social welfare activities carried out by your (organization). So, we wanted to join hands with you and help the needy people in time.
You can use this money for all your social welfare events and programmes. You can also use our banner to advertise your event, which may give you a upper edge in reaching common people.
Looking forward to hear you!
Thanks and regards