Take Oil and Ghee in a Deep bottom pan and heat properly and then temper the oil with Bay leaf Cloves, Cinnamon stick, and Shahi Jeera.
Add boiled Onion Paste to the tempering and cook for around 3-4 minutes in medium flame.
Add Ginger-Garlic Paste and cook for 2-3 minutes on low flame until oil separates a bit.
Now add Poppy Seed Paste and cook for 2-3 minutes and then add Cashew Nut Paste and mix properly.
Add Chopped Green Chilies.
Add beaten Curd to the mixture and cook on low flame till oil separates a bit.
Stir in between and add a little water if required.
Now add White pepper powder, Bengali Garam Masala, Green Cardamom powder, Sugar, and Salt and mix properly.
Add 2 Cups of water and bring the mixture to boil and stir properly to mix all the ingredients.
Now add Paneer Cubes and cook for around 3-4 minutes and add Fresh Cream in between the cooking.
Switch the flame off and add Kewra Water to the gravy and give it a careful mix.
Give Shahi Paneer Korma a.k.a Mughlai Paneer Korma a rest of 5 minutes before serving!