Heat oil in a large pan. On a low flame, roast the poha for 8-10 minutes until lightly golden. Remove the poha in a large dish and keep aside. It will turn crisper as it cools.
In a medium sized kadai or pan, heat the ghee.
Add the mustard seeds and cumin seeds. Once they splutter, add curry leaves, red chillies, asafoetida, peanuts. Stir on medium flame for 5-6 minutes until the peanuts turn golden brown.
Add the salt, sugar and cashews.
Stir for 1 minute or so until cashewnuts are golden, add raisins and stir for few seconds until they puff up.
Add the red chilli powder, turmeric powder, give a quick stir and remove from flame.
Add this tempering immediately to the roasted poha and mix thoroughly until well combined.
Store in an air tight container.