1Rinse the rice and dal together under running water until the water runs clear. Drain and set aside.
Heat the ghee in a pressure cooker over medium heat. Add the cumin seeds and mustard seeds, and let them splutter.
Add the chopped onion and sauté until it turns translucent.
Add the dry chillies and sauté for another minute.
Stir in the turmeric powder and mix well.
Add the rinsed rice and dal to the cooker, and sauté for a couple of minutes.
Add the batani and mix everything together.
Pour in 4 cups of water and add salt to taste. Stir well.
Close the lid of the pressure cooker and cook on medium heat for 3-4 whistles.
Allow the pressure to release naturally. Open the lid and gently fluff the khichdi with a fork.
Serve hot with a dollop of ghee on top, if desired.