Cook chicken with little turmeric powder, pepper powder and salt. Peel it and keep it aside.
Heat 1tbsp oil in a pan, add chopped onion, ginger / garlic paste and green chilly. Sauté for some time until the onion becomes soft.
Add turmeric powder, chilli powder, pepper powder and Garam masala powder. Sauté it for 1 minute.Transfer the cooked chicken to it, mix well.Add some coriander leaves. Now the chicken masala is ready.
In a bowl, add maida/all purpose flour, salt and enough water to make a thin consistency batter.
Heat a non-stick pan on medium heat and pour little batter to form a small dosa.
Place the dosa in a plate , fill with 1 tbsp of the chicken stuffing in the center and fold it like a box. Repeat the same with the rest.
In a bowl, beat the egg well with a pinch of salt.Heat oil in a pan, dip each prepared box in the egg batter and shallow fry in medium flame. Flip when one side turns golden brown colour.
Enjoy the yummy, tasty erachi petti with tomato ketchup.