Firstly , dry roast red chillies , sesame and coconut and grind to paste using water . Boil the diced pineapple in 3 cups of water , till soft with little salt . Strain and keep aside . In a frying pan ,add the paste and the pineapple and red chilli powder . Combine 1/2 cup of water and cook till the flavours combine . Add tamarind and jaggery and mix well . Now make the tempering in another pan and pour over the pineapple . Garnish with coconut . Serve hot with rice !! Ready !!