Roast the sago in a pan for 5 minutes, then transfer in a container and wait until it cools.
Soak the sago in water for 3 to 4 hour.
Boil the dry roasted moong dal in an open pan of boiling water.
Heat oil in a wide, thick bottomed kadai or in a nonstick pan, add mustard seeds brown the urad dal and throw in the green chillies followed by the curry leaves and coriander leaves.
Drain the excess water if any and mix the soaked sago in the kadai.
Mix the boiled moong dal gently and sprinkle water if needed.
The upma should be moist. Close the pan with a lid for 2 minutes.
Add coconut scrap, salt and lemon juice as required and switch off the flame.
The whole cooking process here takes not more than 15 minutes (other than soaking time).
Enjoy the hot sago upma with coconut chutney or kongura chutney or tomato sause.
Carrot scrap can also be added according to the need.