Boil the water in 2 litre saucepan
Add carrots and blanch for a minute
Drain the water and then spread carrots on a clean cloth and sundry or spread them on a towel lined cookie tray and air dry in an oven 200 degree Fahrenheit for an hour
In a bowl mix the mace cloves cardamom salt and jaggery
Add the carrots and toss to mix
Transfer to a sterilized glass jar
Pour the mustard oil into a small saucepan and place it over a moderate heat
As soon as oil begins to smoke remove it from the heat and cool it for 4 minutes then pour it into the jar and cover it with a clean cloth
Set the jar in sunlight for 13 14 days bringing it indoor evrynight
Shake the jar two or three times daily