Firstly soak channa dal overnight
Soak toor dal for 1 hour in hot water
Pressure cook chickpea and toor dal in two cooker separators for 3-4 whistles
Parallelly pressure cook bitter gourd with a pinch of salt and turmeric powder for 2 whistles
Soak the tamarind in hot water and extract the pulp
Dry roast red chillies, coriander seeds, and channa dal till they turn aromatic and golden brown turn off the stove
Add coconut and mix well. Let everything comes to room temperature ground with little water
Add oil to the pan, when the oil is hot add mustard seed and fenugreek. let it splutter
Squeeze the bitter gourd and save the water aside add the cooked bitter gourd and saute for 3-4 mins or until the bitter gourd turns brown
Add tamarind extract, Sambar powder, hing, a pinch of turmeric powder, and salt and allow the kuzhambu to boil for 15 minutes or till the raw smell goes off the tamarind
Furthermore, add the ground paste and little mixie water and boil for 5 minutes
Add the cooked toor dal and channa, cook for another 5 mins, mix well in between
Finally add hing, jaggery, and coriander leaves; cook for 5 minutes, turn off the stove