In a food processor, combine coconut, chiles, curry leaves, cilantro, galic, sugar and salt. Process until coarsely chopped. Add water and blend until smooth.
In a skillet, heat oil. Add asoefetedia and mustard seed.
When the mustard seed stops popping, add cumin seed and curry leaves. Fry until cumin seed changes color.
To serve, transfer chutney from food processor into a bowl. Pour the tadka on top.