Heat oil in heavy large pot over medium heat. Add onion, garlic and ginger. Cover and cook until onion is tender, stirring often, about 10 minutes. Add paprika and next 5 ingredients; stir 1 minute. Stir in 2 cups water, chickpeas, tomatoes with juices, cilantro, lemon and 2 tablespoons lemon juice. Bring to a boil. Reduce heat, cover and simmer 10 minutes.