How to make Sambar powder/Masala powder?

Sambar powder is very essential in most of the South Indian recipes. Nowadays there are many brands of ready- made sambar powder available. But still they cannot compete with the home-made ones.
Only the ratio should be right enough to make it perfect. So here is my mother's ratio which makes my sambar always perfect and tasty.


Ingredients:

• Red chilli-1/4 kg
• Coriander seeds-1/4 kg
• Channa dal-100g
• Toor dal-100g
• Urad dal-25g
• Cumin Seeds(jeeragam)-75g
• Pepper-50g
• Mustard-25g
• Rice- 40 g
• Turmeric powder-40 g
• Fenugreek(vendhayam)-50g
• Asafoetida-1 & 1/2 spoon

Methods:

• Fry all the ingredients individually in a pan without oil in medium flame.
• Take care that the ingredients are roasted evenly.
  
• Powder it after allowing to cool.
• Store in an air-tight container.