Beat eggs with oil until they fluffy add sugar again beat for 5 min..
Sieve together maida cocoa powder,baking powder, baking soda together add in beated mixture slowly and gradually fold it with spatula don't overmix it..

Magic ingredient:
Melt chocolate in double boiler add brown sugar milk and 1 Tsp butter & make chocolate mixture add half of this mixture in cake batter & immediately add half cup boiled water in mixture & mix it immediately..

Now ready for bake preheat oven & bake your mixture for 40 min at 180°c or check your oven temperature..

When it cool pour chocolate ganache mixture over it garnish it Chocolate& mnms and enjoy