In a dry skillet over medium heat dry toast the cumin seeds, coriander seeds, fenugreek seeds, cloves, peppercorns and cardamon pods. Toast until fragrant just a couple of minutes taking care to burn them.
In a bowl, add in all the ingredients except the sage and turmeric.
Use a spice grinder or mortar and pestle to finely grind all the spices.
Pass them through a fine mesh sieve
Add in the turmeric and crumble in the sage and mix all together
Store in an airtight container it should last about 3 months or so.