Firstly Sieve maida / All purpose flour and baking powder together
Then in large mixing bowl take 2 eggs and 3/4 cup sugar and beat them well with wire whisk or hand mixer whisk till it turns pale and fluffy
Now add 1/2 cup oil and combine it well with egg mixture
Add 3/4th cup orange juice, 1 tbsp orange zest, vanilla essence and mix them well till it combines with egg mixture
Now once again sieve the flour and baking powder mixture to egg mixture
Combine the flour with egg mixture slowly do not over mix
Pour to the prepared cake tin
Bake this in a pre-heated oven for 40 minutes at 180 degree Celsius or till the inserted comes out clean
Insert a knife or tooth pick if it comes out clean the cake has baked perfectly
Slice it and enjoy you can store this in airtight container for 2-3 days in room temperature