Wash, clean and chop the coriander leaves roughly (it makes it easier to blend in the blender).
In a blender jar, add the coconut, half of the coriander leaves, green chillies, roasted red chillies, tamarind and salt.
Initially, add about ΒΌ cup of jaggery and blend everything (add little water, not too much) to a coarse paste. Now add the rest of the coriander leaves and blend to a fine paste.