Add the whole dry spices except the coriander seeds and roast on a gentle heat till aromatic.
Remove and set aside to cool
Now add the corainder seeds and roast well ( burns easily)
Add to the other spices along with the powders and salts.
Mix and allow to cool for 10 minutes
Powder in the spice mill to a fine mix
Store in airtight glass jar till you need.
Notes
Store the masala in double airtight packs in the refrigerator if you are making a larger quantity.Double or triple the quantities in here to make your batch.