In a mixing bowl, add grated boiled potatoes, soaked poha, rice flour, chopped carrot and capsicum, salt, red chilli powder, black pepper powder and chaat masala. Mix well and bind the mixture into dough.
Grease your hand with oil, take some potato mixture, and round it into a ball shape. Press the ball with your finger to make a small circle.
Refrigerate the tikki for 30 minutes.
Heat oil in pan, add the tikki and fry them on medium-low flame until tikki are browned and crisp from all sides.
Serve crispy aloo tikki with chutney and tomato sauce.