pimple are some times common with the age due to hormonal imbalances. But I am giving you some tips, follow it.
* eat turmeric 1 tsp before meal
* eat ajvayan 1 tsp & jeera 1 tsp after each meal
* avoid sour salty spice food
* avoid curd, but take butter milk
* use only cow milk & ghee
* avoid stress, late sleep, day sleep, oily food, cold water
* for local application you can use triphala, yastimadhu, lodhra, nimb powder mix with buttermilk
or ointment aclrear or acnowin for local application
for better suggestions & medicine, I need detait history like
appetite, bowel habits, diet, lifestyle, acidity or gastric trouble? etc.
You should take herbal face treatment in nearer ayurveda centre. It will help to remove marks.
You can use kumkumadi lepam of nagarjun pharma.