For yellow colour
Heat 1 teaspoon oil and add 1/4 teaspoon cumin seeds and let it splutter.
Add 1/4 teaspoon grated ginger and add 1/2 chopped green chilly and chopped onion and saute for one minutes.
Add turmeric powder and mashed potatoes, salt, red chili powder and saute for one minute. Remove it in a bowl.
For green colour
Take one cup peas and coarsely grind it in mixer jar.
Add this ground pea in the pan and add chopped onion, grated ginger and chopped green chilly and salt, red chilly powder and chat masala and saute till all water evaporates. Remove it in a bowl.
For white color
Take 1 cup grated paneer and add salt, black pepper and chat masala and mix well.
Assembling:First take small portion of peas masala and cover it paneer mixture and then cover it with potato mixture.Trim the edges of bread slices.
Take 1 cup water in a bowl. Dip 2 bread slices and press bread slices between your palms so that excess water is drained.
Make sure the bread stays intact and does not break.So press gently.
Place stuffing on that and cover it with another 2 bread slices.
Gently roll the bread and join the edges. Press the edges and seal them and also press the top and bottom part and seal them.