Complaint letter for telephone not working to telephone exchange format

Write a letter to the Sub-Divisional Officer (telephones) Varanasi about the complaint of your telephone disorders. To The Sub-Divisional Officer (Telephones) Delhi. Subject : Frequent telephone Disorders Telephone No. 607387. Sir, With due regards I beg to bring to your kind notice that in telephone connection No. 607387. The telephone disorders have grown to be……