Peel the carrots and chop them into small pieces. Peel the oranges and cut them into segments. Remove the white pith and seeds.
Add them to a blender along with ginger, sugar and some water. Blend until it is smooth. Strain to get clear juice. Add lemon juice and mix. Serve immediately with ice cubes.
If using a juicer, add the carrots, oranges and ginger in the extractor. Add lemon juice and sugar as required and mix well. Serve with ice cubes.
Notes
If don't like ginger flavor, you can skip it.
Adjust sugar according to your preference. Or you can completely avoid it.