Black spots are often left behind by acne. It shows that you have oily skin. Twice a day, wash your face with a oil free gel based face wash. Do not use excessive creams. After face wash, use a toner to remove excess oils from your skin. Then apply a face pack of multani mitti (fuller's earth), sandalwood & rose water. This age old remedy works wonders for oily skin & acne related issues.

Use tea tree oil facewash it reduce oilness from face,remove blemishes from skin n prevent acne n bacterial growth n also use dark spots fading cream...
homeremedy..apply sandalwood+rosewater facemask at night n wash in morning,in day time use honey,lemon,potato slices by alternate days..it will exfoliate skin n lighten up spots n remove

Home remedies wont help you more. Neither the chemically prepared medicines. Go to a good homeopath and consult her. She will will give you a permanent cure.

Remedy for pimples--
1- You can use "Ratan's ayurvedic pimples touch " Garnier PureA daily treatment cream.
2- You should do mint facial for reduce pimples.
3-Add one spoon nutmeg paste +milk +1 spoon sandal powder.Make a paste from this material ,apply this pack your face and wash after dry.
4-fresh milk, add few drops of lemon and apply on the face to remove pimples and acne.
5- Grind 30 gm of thymol seeds (ajwain) in 25 gm of curd and apply on pimples and acne. Wash the face the next morning. This remove pimples.
6- Add glycerin four times the quantity of lemon juice and rub the face to get rid of pimples. Massage the whole body to get the silky and soft effect.
7- Rub Jaiphal in milk and apply on pimples and pigmentation marks. This gives glowing skin.
8- Boil cumin seeds and wash the face with that water. This gets rid of pigmentation marks, dark circles etc and enhances the beauty.
9- Take 1spoon lentil dal, 2almonds - grind it nicely and add lemon juice, Ap ...more