In a way, this reminds me of the great and simple Moroccan preserved lemons because the tang of the rind and oils permeates the whole. It lingers on your palate as well.
Place the limes in something like a large, shallow washbowl and cover them with salt. Try to put them in the sun for 3 days in a row. If you cannot, then place them in a warm (very low) oven every day for about an hour. Whichever method you use, stir them several times a day.
The day before you begin to make the chutney, place the raisins, chillies, ginger and