Combine all the seeds together in a bowl. Mix everything well.
Store it in an airtight container.
You can use less or more of these seeds as per your taste.
These seeds are usually roasted in hot oil (it can be vegetable oil, mustard oil, butter or, ghee) and these release the aroma into the oils. This oil can then be used as a base to cook dal and other vegetables.
This aromatic oil adds the flavor of the seeds to the vegetables thus improving the overall taste of the recipe you are making.