Hi,I hv brown skin,I used so many things but few days only works,I used sandal with multani my face looked soft and fair but after few weeks I got pimples on my face,then I stopped using it,after few months I used again but this time my face don't get fair bt only pimples please let me know good solutions for this.

Don't use any of those skin colour products. Some can really damage your skin. Just use makeup, or even better still, try to become comfortable in your own skin. It's so weird that many dark skinned women want to become lighter, and most light skinned people love to go brown with the sun.