Take 1.5 cup batter into mixing bowl.
Then add grated dudhi (lauki), grated carrot, boiled corn, chopped green chili, coriander leaves, sugar, salt, and oil. Mix well.
Add Eno fruit salt & mix in one direction.
In a kadai, add oil, mustard seeds, cumin seeds, sesame seeds, curry leaves and a pinch of hing. Sauté it.
Pour handva batter in the centre of kadai. Cover and cook handvo for 10-12 minutes on low-medium flame.
Flip another side and again cook handvo for 5-7 minutes till it becomes crispy from both sides.
Same way make hadvo into the pan.
Cut into the desired shape. Serve with crispy handvo with green chutney.