Heat a pan, add oil, chana dal, urad dal and whole red chilies. Sauté until lentils have roasted (brown) and chilies have crisped up.
Reduce the heat to the lowest point, add coconut and sauté until it appears roasted and fragrant. Note - Do not over-roast the coconut. Ensure the flame is on low heat else fresh coconut will burn.
Once lentils, coconut is roasted, switch off the heat. Remove the contents onto a plate or bowl and allow to cool.
Once cool, add the lentils and coconut mix to a mixer grinder jar. To this add, tamarind, hing or asafoetida, jaggery and salt to taste.
Grind the thogayal using little water at a time. The consistency should be thick not runny.
Store thogayal in an airtight container and serve with hot rice, ghee or sesame oil.