In a karahi heat cooking oil and put cumin seeds and when cumin seeds splutter put finely chopped onions, ginger and garlic and saute till onion gets translucent. Then add tomato puree and cook for 5 minutes. Add, salt, red chilli powder and garam masala and cook on low flame.Add peas and beans and fd Cover the lid and cook for 7 minutes or till beans are soft.