Heat one tablespoon oil in a pan and sauté the moong badi for two to three minutes.
Drain and set aside. Add the remaining oil to the pan and heat.
Add whole red chillies and onion and sauté for two minutes.
Add lauki and salt and mix. Cover and cook for two minutes.
Add turmeric powder, coriander power, cumin powder, red chilli powder, garam masala powder, ginger and tomatoes.
Mix well and continue to cook two to three minutes.
Add moong badi and half a cup of water. Mix, reduce heat, cover and cook till the lauki is done.
Add green capsicums and coriander leaves. Mix and cook for a minute. Serve hot.