Mix salt, sugar, mango cubes, pineapple chunks, mango pulp in a large bowl. Stir well and keep aside covered.
Grind in a mini-blender the coconut gratings, tamarind paste, mustard seeds, red chillies and pineapple juice.
Add this ground spice mix to the bowl of fruit and stir till well mixed.
Refrigerate.
:- Serve cold.
:- Pineapple chunks come in heavy or light syrup. Adjust the amount of sugar accordingly. Optionally, you may add half a cup of green or red seedless grapes. This is a very traditional Konkani dish.