Grind the green chillies, garlic,ginger, cumin seeds,pepper corns,red chilly powder, onions with the salt and the vinegar.
Apply over the chicken and marinate for 1 hour.
Heat oil in a pan and add the chicken and fry for 2 minutes.
Add a little water and cook the chicken till it is done and the oil floats on top.
Serve hot garnished with the chopped coriander leaves.