Astoria Bank Mortgage Complaint

Astoria Bank Mortgage department,

Conventional fixed mortgage Loan servicing, payments, escrow account New York

I am asking for an investigation into the Astoria Federal Bank mortgage increases. I have attached documents for your review. I was told in - that my mortgage increased because my insurance was increased. So I got another less expensive hazard insurance, submitted that and received notice of an even further ADDITIONAL increase. I feel that something is not correct. I have never been late on a mortgage payment. Please advise.