Here is the sample letter for you...

Dear Mr Ambassador,

I am a political pidit citizen of Nepal now living in your country as a medical expense pidit alien. I am needing an operation to stitch some injuries I was given when I was taking participation in julus in the dream of making my mountainous country like your country. Now your country my country friend friend. So please I respectfully humble man ask for your help to please kindly give visa to my brother who he will come to your beautiful big country. I am thinking he is will not living in your beautiful country for many months. After getting a new GC he is living in Nepal in 2013 to become the president of new nepal just like to Barrack oba amma. Please sir, please give visa to my dear brother. I have no money to send a writen latter. So I am for you using sajha friends to write you mail.

God bless my dear friend ambassador of the Usa

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