Heat oil in pan, add onions and cook until it tenders.

Now add half cup of water and cook on high flame

Add tomatos and garlic and ginger paste and mix well

Add all spices and, mix and cook untill oil comes out

Now add potatoes and cook until tender

Now add water and bring it a boil

Add vinegar and mix

Soak rice for at least 30 minutes

Now add soaked and washed rice and mix.

Cook untill done.

Spread garam masala powder and put on steam (Dam)

Enjoy