Mix chicken with above ingredients and boil it till it gets cooked.
In a pan, add 1 tbsp oil and sauté onions and tomatoes. let it cool.
Grind them along with cashew nuts. Make a fine paste.
Heat oil and butter in a wok. Add above paste and and red chilly powder. cook till oil comes on the surface.
Now add boiled chicken and water and mix it well.
Cook till you get thick curry.
Now rub fenugreek leaves on it and give it a smoke.
Serve it hot with chapati or Naan.