I have one sister, comparatively me, she is little bit brownish skin, she feels that, because of her skin colour she is not recognized anywhere, help to reveal this feeling from her soul

I'm not quite sure what you are looking for because of the way that you have worded your question. However, the title of your post indicates something about skin lightening. If you type the two words, skin lightening, into the search function at the top of this page, you will find a lot of questions that have to do with that subject.