In a bowl add yogurt and 2 cup water and mix well.
In a separate bowl mix all the chopped vegetables, green chili and coriander .
Take out 1/3 of the vegetable mixture and keep aside for topping.
Now In the yogurt mixture add the semolina,refined flour,all the spices and some water to make a medium thick batter and mix well.
Cover the pan and let it rest for about 20 minutes.
Now check the batter and if it become thicker then add some water and mix.
Add the chopped vegetables and the fruit salt and mix.
Heat a non stick pan and grease with some oil and then wipe it with a moist cloth or tissue.
Spread the batter on the pan and sprinkle some topping and gently press with the spatula.
Now cook on medium flame .you can cover it with a lid to cook it faster.
Sprinkle some oil around the uttapam and let it cook from the bottom.
When it looks dry on top then spread some oil on top and gently flip it over.
Cook from the other side and remove from the pan when done.
Serve hot with coconut chutney ,green chutney or any spicy tangy sauce of your choice.