Prep of ragda / white peas gravy and potatoes : soak 1.5 cups of white peas in water overnight or for 8-9 hrs . Drain the water and put them into a pot . Now add 1/4 tsp turmeric powder , 1/2 tsp red chilli powder , oil 1 tsp and salt. Now add water and boiled , chopped potatoes in it . Cook on a medium flame until it’s consistency is slightly thick and flowing . Check if potaoes are properly cooked . Turn of the flame .