Heat oil in a pan. Add curry leaves and green chillies, and sauté till they change color
Add pottukadalai and roasted peanuts. Sauté until aromatic. Switch off the flame
Furthermore, add ginger, tamarind, coconut, and 1/2 cup of water. Let it cool
Transfer to a blender, add salt, and grind
Add coriander leaves and another 1/2 cup of water. Grind again to a smooth chutney
Transfer to a bowl and addthe remaining 1/2 cup water to adjust consistency (chutney thickens over time, so adjust as needed)
Heat the coconut oil for tempering. Add mustard seeds and let them splutter
Add urad dal, red chilli, curry leaves, and asafoetida. Fry till golden
Pour the tempering over the chutney and mix well