First heat pressure cooker put oil add chopped onion and garlic saute it then add cut carrot small piece & add tomatoes. just stir it add salt & sugar.Put water how much soup thick ness require.

Cover the lid. Keep for 3-4 whistle. Keep for remove steam. Open lid mix with hand blender. Now again turn on gas heat this soup add black pepper. Before serving add butter & black pepper. Soup can serve with bred croutons.