Marinate the chicken pieces with ginger-garlic paste, chilly powder and salt and keep for one hour.
 

Heat the sunflower oil, fry the chicken pieces till done half.
 

Grind the seasme seeds and pepper to a fine powder without oil.
 

Saute curry leaves, mustard seeds, cinnamon, cloves, fennel seeds and cardamom.
 

Add the big onions, green chilly, ginger and garlic along with this.
 

Add the coriander powder, Red chilly powder and saute for about one minute.
 

Add the chicken pieces to this masala and cook for some time.
 

Add the seasme seeds powder to this and saute for some more time.