First wash cabbage then chopped it. Heat mustard oil in a cooker. Then fry the whole garam masala..for few seconds then fry the chopped onion till it is light brown in color.

Then add dry masala. Saute it for few seconds. Now add chopped potato and cabbage. Fry till it is tender. Then add salt as needed

No need of adding water. In
Cabbage varieties have high moisture content . Close the lid and wait for 2 whistles. After 2 whistles switch of the flame. Standing time 1 minute. Cool it and open the lid. Check if it is done...

Transfer to a serving plate..
Serve with hot..rice, dal and pickles...