Dissolve corn flour in 1 & ½ cups water, keep aside. In a heavy bottomed pan, add sugar.
Add 1 cup water and stir well. Once sugar dissolves and starts boiling, let it boil for 2 minutes. No need to wait until any consistency to reach.To this syrup, stir in the dissolved corn flour.
Keep stirring. It will turn glossy.
Once glossy and smooth, start adding ghee one tbsp at a time and mix until it absorbs. Once ¼ cup ghee is added completely, add chopped dry fruits and nuts, powdered cardamom.
Continue stirring until you see small whitish bubbles at the bottom. Keep a greased tray ready.
Pour the halwa and let it become warm enough to handle. Invert and tap gently. It will come off easily and cut it into pieces with sharp knife.