Firstly soak dal for 1/2 hour and after 1/2 hour put the dal and all vegetables boil in a cooker and add water, turmeric powder, salt in it and close the cooker lid. Cook over medium flame for 2-3 whistles and turn off the gas and allow it to stand until pressure comes down naturally and mash the dal with the help of a spatula/blender.

Heat oil in a kadai and add mustard seeds, asafoetida and cumin seeds in it. When they start to splutter then add curry leaves, dry red chilli and saute it for few seconds. Add chopped onion and saute it until onion turns light brown and add tamarind pulp and cook it for few minutes.

Add chopped tomato and add turmeric powder, red chilli powder and saute it for few minutes. When the tomato turns soft then add sambar masala powder in it. Stir and cook for a minute. Add boiled vegetables and mashed dal, water and salt and mix it well and cook it for 7-8 minutes.

Add coriander leaves and mix it well and turn off the flame.