Fixed deposit renewal

Dear Sir/Madam

I had a Fixed Diposit with a Bank.for a Locker and that FD has been Lien to the Locker.In the Mean time the Maturity Date has been gone for some time i.e for 90 Days. Now I am renewing the Deposit.Bank is Insisting it to renew from the Original maturity Date .He is Renewing it from Now.And Paying me with a Lesser rate of Interst for 90 days.

Has the Bank given me Justice.

Please Clarify