Turn stove on medium 5-6 and use a flat wide pot

Add oil, zeera, mathee dana and wait till golden

Add onion and wait till golden

Add tomato and cook till soft and mashed

Add salt, haldi, chili powder, water, and potatoes 

Cover with a lid and cook 15 to 20 minutes on 5(medium heat) till potatoes are starting to get soft. NOT too soft or they will break.

Turn stove off let cool and store away till u are ready to add rice.

When ready to add rice, warm the mixture in the pot for about 10 minutes 

Wash rice and add to the heated mixture.

Add water like for matter plow.... only till your first knuckle. Cover and cook on high.... full heat. Wait till water evaporates like mattar plow.  If rice looks raw and uncooked add a little water.

When water has evaporated and rice look 90%done, Turn the stove on 2 (low heat) and put the pan under the pot and leave to cook for 10- 15 minutes.