An oily skin is mostly the cause of pimples
on face. you should cultivate a habbit of washing you face frequently. also avoid excessive oils in diet Insted take lot of fresh fruits,salads,vegetables,sorouts,curd milk.
Start taking steam to open up the pours of skin. use cosmatics for oily skin only.
Dont ever prick the pimple ,for it may result in bad scars
. Take antibiotcs with a dermatologist's consultation.
400mg to be ruptured & applied locally along withoral cap.Evion1 daily for 15 days help ---if there is no infection.
for getting fair,you can try application of cucumber juice/milk &termeric paste -as a pack
lastly i suggest, the colour gifted by god can be brightened by good health/good personality. so don't be concious.cheer up!