Take eggs in a bowl, cover it with water. Bring it to boil, simmer it for 4 mins. Turn off the heat and let it stay for 5 mins. Drain and run cold water over it. Peel off the shell and set aside.
Take meat, onion, chilli, coriander leaves, salt, garam masala powder, cumin powder, ginger garlic paste, 2 tblspn of breadcrumbs and mix well.
Spread plastic wrap on the counter, take small portion of the meat and flatten it lightly. Place a egg over it, wrap the mutton mince over the eggs with a help of plastic wrap. Seal it well.
Now you can chill this for 15 mins.
Take flour in a bowl and add little water to make a paste. Take breadcrumbs in another bowl.
Take the egg and dip it in the flour mix. Roll it in breadcrumbs.