Wash all the vegetables and cut into 1 1/2 inch long pieces. Add required water, 1/2 turmeric powder and salt and cook. Grind grated coconut, shallots, green chilly, chilly powder, turmeric powder, cumin powder coarsely.
Add this to the cooked vegetables. When cooked properly add curd and curry leaves and mix well. Add coconut oil and remove from fire.