Turn the Instant Pot to sauté (more) mode and heat ghee. Add mustard seeds, asafetida and turmeric. Let the mustard seeds pot, may take 2 to 3 minutes. Add all the vegetables except the cilantro. Mix well.
Add salt, tamarind paste and spice blend powder. Mix well. Add rice and lentils and 6 cups of water. Close the Instant Pot lid with the pressure value set to sealing. Press the Rice button. Allow the pressure to release naturally, about 15 mins. Open the Instant pot and stir the bisi bele bhath lightly. Serve hot with a drizzle of ghee, tangy pickle and roasted papad.