To prepare Salem Thattu Vadai Set Recipe, wash, peel and grate beetroots and carrots. Prep the other ingredients as well.
In a bowl, mix grated beets, carrots, onions, finely chopped coriander leaves, green chillies and lemon juice. Add salt to taste and mix well. Keep aside.
To make the green chutney:
In a blender jar, place chopped coriander leaves, mint leaves, green chillies, garlic or ginger, salt to taste and blend to a fine paste.
Remove to a bowl, add lemon juice, mix well. Keep aside.