Wash the dal and set aside.
On your Instant Pot - Choose SAUTE mode.Once the pot is hot, add the ghee to the inner pot.
Add Cumin,asafetida,green chilli,ginger and garlic.Saute and let it infuse for 30 seconds.
Add onions and mix it all up.Let this cook for 10 minutes till the onions are brown.
Add the coriander powder and red chilli powder.Give it a mix.
Tip in the chopped tomatoes with the juices and all.Cook till mushy.About 5 minutes.
Add the washed dal,3 cups of water and turmeric and salt.Cancel the SAUTE function.
Choose PRESSURE COOK/MANUAL, set the timer for 8 minutes,Set the Steam release handle to SEALED.
NPR- Natural Pressure Release-Let the pressure release on it's own.Open the lid,give it a mix.
Squeeze half a lime,Garnish with coriander leaves and serve hot