Wash, peel and chop all the veggies to cubes.
Heat oil in a heavy bottom pan, splutter mustard seeds and add hing. To this add chopped chilies, curry leaves and ginger.
To the sizzling tempering, add chopped vegetables and saute for a minute
To this sautéed veggies, add turmeric powder and salt. Add 1/4 cup to 1/2 cup of water, for the veggies to cook. Cover and cook for 8-10 minutes in a medium flame for the veggies to get cooked,
After the said time, remove the cover and check the doneness of the vegetables. Now add the roasted vermicelli/semiya and saute for 2 minutes.
Now add 2.5 cups of water to this vermicelli. Mix well. Cover and cook for 8-10 minutes in a medium flame for the vermicelli/semiya to cook.
After the said time, remove cover, mix well. The semiya upma must have cooked well soft and fluffy.
Finally garnish the semiya upma with fresh coriander leaves, serve warm.