Firstly take the cooker pressure cook the soaked toor dal and vegetables until smooth.
Heat the butter in a pan until melted.
Add mustard and Cumin seeds, pinch of hing, Curry leaves saute well and allow to splutter them.
Next add Ginger garlic paste, chopped tomato saute well.
Now add cooked toor dal and vegetables mix well.
Next add all spices mentioned above in ingredients mix well.
Add salt to taste and 1/2 cup water boil it for 5 mins.
Lastly garnish with chopped coriander leaves.
Enjoy the toor dal veg sambar with Rice .