Karam podi or Karrappodi is Chilli powder or Red chilli powder.
Chilli powder is used to make many dishes. Basically when you want to add some spice to a dish (irrespective of veg or non-veg), then add chilli powder. Chilli powder also adds taste to non-vegetarian food. Without chilli powder the taste of non-veg food will be bland unless you use pepper.
As you could note in the spices section of chilli and pepper, in olden days, Tamil used only pepper.
Here we will show a secret family recipe for making Chilli powder. This recipe can make 500 gms of karam podi or chilli powder.
Dry all the ingredients in direct Sun for a few days.
Mill or grind the mixture to make a powder.
If you are in India there are several mills available where you can make bulk of the rasam powder or any spice you want to make a powder form.
Make sure you store the powder in an air-tight box.
Podi in Karam Podi means something small or powder.