1. Wash and wipe the limes. Cut each lime into 4 pieces.
2. Mix them with salt and red chilli powder. Keep aside for sometime.
3. Meanwhile crush jaggery

Cooking

1. In a stainless steel pan or in a heavy bottomed non-sticking pan, place lime and jaggery in alternative layers.
2. Keep the pan on fire.
3. Bring it to a boiling point and simmer for 15 minutes till jaggery is melted.
4. Remove from fire and cool it.
5. Pour in a clean glass jar. Tie a clean piece of muslin cloth on the lip of the jar and replace the cap. Keep the jar in the sun for 3 days.