To make the filling:
Heat a pan, add a tablespoon of oil. Saute onions in it. Add ginger garlic paste. Saute till onion turns golden brown.
Add in the chopped tomatoes, saute till tomatoes turns mushy. Add Kashmiri chili powder and turmeric powder. Mix well.
Add tomato ketchup and mayonnaise. Mix and add frozen green peas, saute for a few seconds.
Add chicken. Mix till the masala coats well on the pieces of chicken and switch off the flame. Keep the filling aside.
Bread Slices preparation:
Take the bread slices. Cut off the crust. With two slices, one on top of the other, using a rolling pin flatten the slices. Using a cookie container or any lid big enough cut circles out of the bread slices.
Reserve the the remaining portion of bread to make bread crumbs.
Repeat the same with other slices. Approximately 10 slices will be required. Dip the circles in beaten egg and coat in the bread crumbs.
Heat oil in a wok. Deep fry the circles till it puffs up and changes color to golden brown. Transfer the fried circles onto a paper towel.
Cut the circles from center to get pockets. Fill the pockets with filling.
Add in the chopped tomatoes. Serve hot and enjoy.