Heat the oil in a pan on medium high heat. Add mustard seeds, channa dal and urad dal. Fry it until it becomes light brown.
Then add green chillies, coriander leaves, curry leaves, cashew nuts and fry for another 1-2 minutes. Note: fry until there is no moisture left in curry leaves and green chillies ie it should be crisp.
Add turmeric powder, hing/asafoetida and mix well.
Next add rava,roast till it becomes light brown on medium low flame, takes appx 8-10 minutes. Keep stiring in between.Also make sure not to roast on high flame, it will burn rava and won’t taste good.
Lastly add salt, sugar, lime juice and mix well.
Turn off the heat. Let it cool completely, then store it in the refrigerator or at room temperature in a ziplock cover or airtight container.