Job resignation Letter

Dear sir, 

I have the honor to state that I have been serving Metro for the past five years with all sincerity and faithfulness. Now that I am unable serve due to my domestic obligation, I seek your kind esteem in relieving me from active service w.e.f January 30, 2009. Nonetheless I shall remain grateful and supportive to Metro for the humane service. 

Therefore, I shall be grateful if your esteem self would kindly accept my resignation and do the needful.
For your kindness I shall be thankful and oblige. 

Thanking you sir, 

Yours faithfully,