Nepali Paragraph.

Mero nam Godwin ho. (naam is little long so better to write as naam)
Mero nickname kale ho. (so with kaale)
Mero nepali sathi haru sikne nepali.

(may be mero nepali saathi harule malai nepali sikaaye, if you wanted to say, My Nepali friends taught me Nepali )
Ma nepali ali ali bolchu. ( Ma ali ali Nepali bolchhu)
Nepal ko khan dherei ramro chaa. ( Nepal ko khaanaa dherai mitho hunchha, better to say its tasty than good )
Mero favorite nepali rapper Laure ho ani mero favorite actor Rajesh Hamal dai. (haha, He has got falaamko haat, I hope you know what I mean)
Picture ma Rajesh Hamal dai ani ma cha. ( Cha is singular chhau is for plural) 

Great going Kaale. 
I wish you success.