Trim the edges of bananas and peel the skin off using peeler.
Meanwhile heat a wide wok/kadai with enough oil in it.
Using a slicer make very thin slices of raw banana and drop them into piping hot oil. Then keep the heat at medium flame.
Turn over and deep fry the banana chips till they become crisp and light. When the chips slightly change color, using slotted ladle remove them from oil and drain on kitchen tissue paper. Repeat slicing and frying process with rest of the bananas.
Sprinkle salt, red chilly powder and turmeric powder on the chips. Toss them well so that each one gets coated well with spices.
Addictive snack raw banana chips are ready. Serve them as evening tea time snack.