Heat the oil in a wok, add the spring onion whites and garlic and sauté for 2 to 3 minutes.
Add the turmeric powder, crushed coriander seeds and tomato purée and stir-fry for a minute.
Add the bean sprouts, mushrooms, sweet corn kernels, capsicum, baby corn, spring onion greens and salt and stir-fry over a high flame for 4 to 5 minutes.
Add the milk and sugar and cook for another 2 to 3 minutes.