Grate the boiled potatoes into a bowl.

Add salt, ground black pepper, powdered cumin, chaat masala, dry mango powder, crushed ginger, green chili, chopped coriander leaves, and rice flour to the grated potatoes.

Mix everything together until well combined.

Shape the mixture into rolls and steam them for two minutes.

Let the rolls cool down completely before proceeding to the next step.

In a bowl, mix flour and water to make a thick batter.

Place the cooled roll on a sheet, cut it, and roll it up.