Heat Instant pot in Saute mode, Normal heat for 5 mins.
Add ghee, roast cashews until pale golden in colour. Tip in raisins and saute until it bloats.
Tansfer and set this aside in a small bowl.
Wipe or wash the pot if there are black residues from the roasted items.
By now, 5 mins timer will be over. Again Press Saute in Normal heat for 5 mins.
Dry roast moong dal until golden.
Add water, coconut milk to it.
In goes washed rice. Add salt.
Cancel saute mode. Press Rice mode, choose High pressure. (15 mins)Once done, Quick release the steam.
Mash well. Add thick coconut milk, sugar and mix it.
Start the Instant pot again in Saute mode, Normal heat for 5 mins.
Add powdered cardamom, nutmeg. Keep mixing as now the pongal might easily get stuck at the bottom.
Once pongal bubbles, cancel Saute mode, garnish with the nuts & raisin with ghee.