take all the ingredients required for the batter in a mixing bowl and mix well
add water little at a time and make a thick paste of it. add sliced mushrooms and mix well
deep fry in hot oil until crisp and keep it aside until use.
heat 1 tbsp of oil in a pan and add cinnamon, garlic, green chillies, curry leaves and fry for half a minute.
further add chopped onions and fry until transparent
add chopped tomatoes, salt and fry for a minute.
furthermore, add soya sauce, pepper powder, water and mix well. fry until it is dry.
lastly, add fried mushrooms and mix well and fry for a minute. serve hot!