Wash and soak toor dal for 20 minutes. grind soaked dal slightly into mixture jar.
In a pressure cooker, add 1 tbsp oil. Add onion and sauté till it is slightly translucent.
Now add green chilli slits and ginger paste. Sauté it.
Then lower the flame, add turmeric powder, kashmiri red chili powder, and some water. sauté masala into oil.
Add chopped tomatoes and cook till they become slightly soft.
Then add chopped bottle gourd, carrot, drumsticks, and brinjal pieces. Mix well.
Add 1.5 cups of water and salt. Mix well.
Cover and pressure cook dal and vegetable on a medium flame for 1 whistle.
meanwhile in a grinding jar, add coconut, roasted chana dal, tomatoes, sambar powder, and water. Grind into a smooth paste. Special masala paste is ready.
now pressure cooker cool down, open the lid, and check vegetable and dal are properly cooked.
Add 1.5 cups of water and salt to it. Mix well.
Now add masala paste, tamarind pulp, and jaggery. Mix well.
Boil sambar on low flame for 15-20 minutes.