Blend mustard seeds to a fine powder.
Wash the carrots and beetroot.
Peel the carrots and beetroot.
Chop into 1.5 to 2 inches pieces.
Transfer chopped carrots and beetroot to a clean, dry glass/ceramic jar.
Add mustard powder, black salt and red chilli powder.
Add water (which is boiled and cooled).
Tie a muslin cloth around the neck of the bottle.
Place the glass jar in the sun for 3 to 4 days.
Shake the bottle everyday. when you keep the bottle in the sun.
On the 4thday, remove the muslin cloth.
Stir the kanji with a wooden spoon.
Strain and serve or refrigerate and serve chilled.
The pickled carrots and beets can be used insalads or can be served as an accompaniment with meals.