You can have equal amounts of all of the (Dal often might have
1/2 tsp of each)
or one Curry recipe I have calls for 1.5:1 of coriander and turmeric to chili and cumin
Break open the cardamon pods and remove the seeds (discard the skin).
Crush cinnamon with a mallet or rolling pin to break it into small pieces.
Combine the spices.
Roast and grind them.
To roast. Heat a small heavy frying pan for 2 minutes over medium heat.
Add the spices and roast over medium heat stirring and shaking the pan constantly in order to prevent burning.
For the first minute or two nothing will happen--the spices are losing their moisture. Suddenly, they will start to brown.
Stir constantly or they will burn. they will being to smoke, releasing the sweet fragrance of roasting spices. Roast until they are dark brown,
Turn down the heat if they are browning too quickly. Process should take about 10 minutes.
Put into a spice (or coffee) grinder and grind until it is a fine powder.