No "emmision" option

I have created an new materiel ,but in materiel instance there in no “emmision” option. I have attached screnshot for the same,Please help me,as i need it .

Hey, you need to edit the material that your material instance is refering.
In this Material, plug in Emissive the color you want to display (you can promote this color to Parameter so you can edit it trought Material Instance).