Soak 1 cup of white peas in enough water overnight. drain off the water and transfer it to the cooker.
Also add 3 medium size potatoes, ¼ tsp turmeric and ½ tsp salt, 2.5 cup water.
Pressure cook for 4-5 whistles or until peas gets cooked completely.
Add one potato to boiled peas and mashed the mixture slightly with a masher.
In a kadai heat 2 tbsp oil, and add garlic, ginger, green chilli paste and onion. Sauté till onion become translucent.
Add tomatoes and salt. Cook till tomatoes become soft and mashy.
Then add turmeric powder, red chilli powder, coriander powder and cumin powder. Mix well.
Add boiled peas and potatoes mixture. Mix well.
Cover and cook ragda for 4-5 minutes on low flame.
Add garam masala and mix well.
Ragda is ready.