Dear Sir,

I would like to request a Salary Certificate stating my tenure of work and basic pay that will be use for applying a savings account.

Thank you for your time and hoping to hear an immediate response to this matter.

Sincerely yours,
Hello, ecarg - and welcome to English Forums.

Dear Mr [surname],

I would like to request a Salary Certificate stating my tenure of work and basic pay that I can use to apply for a savings account.

Thank you for your time and trouble. I hope to hear from you at your earliest convenience.

Sincerely yours,
Many thanks................