First wash toor daal and in cooker add daal, water, one onion, one tomato, salt and keep for whistle 1 whistle on high flame and 2 on low flame.

Once cooker cool down open it and mash the dal. Now add water as much thick consistency you want, add veggies and boil it nicely. Now add Tamarind pulp.

In pan heat oil, add mustard seeds let it crackle now add dry red chil, curry patta, chopped onion, salt and fry till it becomes soft.

Then add tomato and fry till it becomes soft.

Now add sambhar powder, red chili powder just fry for 5-10 second and put this tadka in sambhar and just boil sambhar for one minute.

Note - if you like sweet take you can add jaggery also while boiling. (Step 2)