Mix alovera gel with turmeric and apply it under your eye. After 15-20 minutes rub your eyes with an ice. It will gradually increase your darkcircles and will also provide you peace.
The best remedy is to apply potato juice with cotton pads under your eyes and leave it overnight. Trust me, you'll be able to witness the impact within a week.
Hydrate yourself enough, take proper 8-9 hours of sleep and you can apply certain creams and oils that are available in abundance on Nykaa. Moreover, you should know you're beautiful just the way you're. Have a good day!