Select small tender mangoes from the market and wash them in water nicely. Wash it a few times to get rid of the dirt in the mangoes and pat dry them well.

Ensure that no water is there, else fungus will form after the pickle is made. My mom puts the wiped mangoes under the sunlight for half an hour. inside the home near the window. I also did the same.

Take the mangoes and put them in a clean dry bowl add castor oil to this rub the mangoes with oil, and ensure all the mangoes are coated well with oil.

The addition of castor oil is to reduce the heat caused by mangoes.

Grind the red chilli, mustard, rock salt, red chilli powder and asafoetida into a fine paste. You can add a little water while grinding.

Add this to the mangoes and mix well with a clean dry spoon.

Keep this covered and put it in a dry place for a week.

Everyday morning mix the mangoes well. Do not worry if the water is less. It will ooze out water in a week's time.

And the mangoes will start shrinking too.

After 10 days transfer it to a clean dry bottle and put it in the refrigerator.