Ingredients :

Idli batter as required
carrots 1/4 cup finely chopped
cabbage 1/4 cup finely chopped 
French beans, 1/4 cup finely chopped
fresh coriander leaves, 3 tbsp washed and finely chopped 
Few curry leaves
ginger paste 1/4 tbsp
oil 1 tbsp
mustard seeds 1/2 tsp
Salt to taste

Method:

Heat
oil, add mustard seeds. When it splutters add curry leaves and then gnger paste.
Stir and add carrot, cabbage and beans. Stir fry for 5 minutes. 
Add the stir fried vegetables, coriander and salt to the idli batter.
Mix well and pour in idli plates. Steam for 7-8 minutes or till done.
Serve hot with coconut chutney and sambar.