In a bowl, add all dry spices to make Achar Gosht masala. In a small bowl, take lemon juice and add 1 tbs of achar gosht masala and set aside for green chilies filling.
Slit and deseed green chilies and fill with the mixture of lemon and masala. Set aside.
In remaining achar gosht masala add yogurt, ginger garlic and mix well. Add meat, mix well and marinate for 1-2 hours.
In a pan, heat oil and add grinded tomatoes and fry on high flame for 2 mins, add marinated meat and fry for 2-3 mins. Add ½ cup water and cover and cook for 25 mins or until meat is tender. Add water if required. Now fry cook until oil separates. Add masala filled chilies and cover and let them simmer for 4-5 mins on low flame.
Achar Gosht is ready to serve.