Wash the dal and add it to the pressure cooker.
Add the water and cook for 3 whistles.
Let the pressure release naturally and open the cooker and mash the dal.
Set it aside till you need it.
Wash and chop the raw mango into small cubes.
Add the water, turmeric powder, salt and the mango pieces into the deep pot or kadai.
Mix well, cover the pot and set it to cook.
Add the cleaned moringa leaves.
Once the mango pieces are soft-cooked, add the mashed dal.
Stir well and cook the dal mix till it is bubbling.
In a separate small pan add the coconut oil, mustard seeds and let them crackle.
Now add the curry leaves and once they fry add to the dal that is cooking.
Remove from heat and serve the dal warm