Dry roast rava on a medium heat till you get a nice aroma. Set aside.
Heat oil in a pan or kadai. Add mustard, jeera, and curry leaves.
Allow them to splutter. Then add hing , onions, potatoes, carrots, peas and fry for 3 to 4 mins.
Pour water. Then add turmeric & salt. Taste the water and add more salt if needed.
Bring the water to a rapid boil. Regulate the flame to medium.
Add broken wheat in a slow stream stirring with one of your hands. Stir well and close the lid.
Cook till the veggies are cooked fully or pressure cook for 1 to 2 whistles on a low flame. If you are not making it in a pressure cooker, then just cook it till it is fully done and the water is absorbed.
Once the pressure is down, mix well broken wheat upma and serve with your favorite side. A chutney or pickle or sambar or pappu podi goes well.