Wash and soak the rice and dal in water for 20-30 minutes.
Drain the water and cook in pressure cooker with 4 cups of water.
Cook till to 3-4 whistles and keep aside.
Soak the tamarind in hot water and when it softens, Squeeze the pulp and keep aside.
Heat the ghee in a pan.
Add cumin seeds, mustard seeds, dry red chilies, and asafoetida and curry leaves.
When they start splutter, add chopped vegetables and turmeric powder.
Mix well and add 1 cup water and cook the vegetable till to tender.
Now add the tamarind paste, salt, sambar masala and cooked rice and dal.
Mix well and cook till to mashed consistency.
Add more water if needed to adjust the consistency like khichdi.
Serve hot with papad and pickle.