Pimple cannot be cured overnight, but you can minimize it. Take multani mitti or chandan powder and mix with rose water and then apply on pimples. Rest have healthy diet like green vegetables, fresh fruits etc. Avoid junk food, oily food, spciy foods etc. Have lots of water atleast 2 to 3 liters on a day. You can apply neem paste on pimples take some neem leaves, wash it properly and let them dry in cool place after that you can make the powder of it, you can add this neem powder in your face packs.