So here is a picture of the spices which i found from google search. So if you are not so familiar with those spices you can check it out.
There are five amazing spice which goes in this mix.
Makes : approximately 1 cup
Mustard Seeds / Kaduku - 3 tblspn ( I used Yellow Mustard )
Fennel Seeds / Saunf / Sombu - 3 tblspn
Fenugreek Seeds / Methi Seeds / Vandayam - 3 tblspn
Nigella Seeds / Kalonji / Karum Jeerakam - 3 tblspn
Cumin Seeds / Whole Jeera / Jeerakam - 3 tblspn
Mix all them up and store them in a airtight container.