First cut chilies from center n fill it with Achar masala step aside. Wash chicken n fry it in oil with ginger n garlic then add yogurt n spices then fry.. add tomatoes n at last when the gravy becomes thick.. add achari green chilies in top n cover with the lid.. dumm for 5 min.. when the oil comes on the surface of the gravy.. ur dish is ready to serve.. serve it with Parathas naan or roti...