In a mixing bowl, take water and add the turmeric powder. Mix.
Transfer the banana slices to the turmeric water.
Next, heat oil for frying.
Once the oil is hot enough, start adding the sliced bananas to the hot oil. Make sure to drain the slices of any water. It takes about 7-10 minutes for the banana slices to fry and become crisp.
Once all the slices are fried, use a kitchen napkin to absorb extra oil.
Transfer the fried banana slices to a mixing bowl. Add the salt, red chili powder, and chaat masala. Mix well.
Next, heat oil in a pan. Add the cumin seeds. Saute.
Add the onions and green chilies saute. Cook for 1-2 minutes.
Add the ginger garlic paste and saute.
Next, add the tomato paste and mix well. Let it cook for 2 minutes.
Add the powdered spices and salt next and mix. Cook for 30 seconds.
Add the banana chips. Mix well.
Add water and let it simmer for 30 seconds.
Garnish with coriander leaves and serve hot with chapati or bread of your choice.