Heat oil in a pan, add onions, green chilies, and curry leaves. Sauté until soft.
Stir in ginger garlic paste and cook until fragrant.
Add chopped cooked chicken, turmeric, chili powder, salt, and garam masala. Mix well.
Sprinkle 1 tbsp maida and pour in chicken stock. Cook until mixture thickens. Let it cool.
Mix 2 tbsp maida with water to make a thick paste for sealing.
Take samosa patti, add a spoonful of filling, and fold into triangular shapes using the paste to seal.
Heat oil for deep frying. Fry samosas on medium flame until golden and crisp.
Drain on paper towels and serve hot with chutney or dip.