Recipe for Sambar powder and Rasam Powder

I never used to buy sambar powder. I buy fresh ingredients and get it ground in the flour mill. It stays fresh for 4-5 months. Homemade sambar powder not only gives a nice flavor to the dishes but is also very economical. I  have given two measurements for sambar powder. The first one is my mother's recipe and the second one is my aunty's recipe. Today we will learn how to make sambar powder