Add 1.5 glasses of water into pressure cooker. Add carrot pieces, onion pieces, garlic, ginger and after 5 whistles put off the flame and let the pressure out. Stain and separate stock. Make paste of carrot mixture. In a pan add stock and ok paste of carrot mixture.

Add salt, black pepper powder, black salt, oregano,sugar and boil for 2 minutes. Mix cornflour with water and add to soup. Let it boil for 2 minutes. Stain to get clear soup. Again heat the soup and add butter. Let it dissolve. Serve hot.