You can bake your cake on gas by keeping the pot on tawa (chapati maker).
Ingredients:
Self rising floor 250gm
Sugar 200- 250 gm
margarin 250 gm
baking powder 1 t.spoon
soda bi carb 1 t.spoon
coco powder 2 t.spoon
eggs 3
seive floor+baking powder+soda bi cark+coco powder (twice). mix margarin+sugar+eggs (bitten) and blend well in mixer. add mixture of floor+coco+baking powder in to batter slowly. mix well simultaneously. add milk if necessary. add chocolate isence 1/2 t.spoon to it. grease the cake pan well. pour the mixture into the greased cake pan. keep it on TAWA. keep the tawa on low flame gas for 45 minutes. cover the pan with dom shaped lid. check after 1/2 an hour. (it usually takes 45 minutes when you bake on gas). you can use milk made instead of eggs (1 usual tin for 3 eggs) you can check the cake by putting knief into the cake. it is ready when it will not stick to knief. let it cool. invert the pan in plate. cut it after it becomes cool.