Beat room temperature butter with sugar using electric beater till light and fluffy (approx 3-4 min). And then incorporate eggs (1 at a time).

Now add orange zest, thick yogurt (or sour cream) & orange+lemon juice in the mixture. Sugar & butter mixture will curdle the moment you add zest, yogurt & juice. Don't worry, it is normal. It will be OK after you add flour in it.

Sift refined flour, salt & baking soda together and then start adding flour mixture and milk in the sugar & butter mixture in installments. Fold everything well together using spatula. Finally, use electric beater for 20 seconds to mix everything well.

When cake is out of oven, let it cool down for 15-20 min and prepare for orange & lemon syrup in the meantime. Mix granulated sugar with orange & lemon juice and bring it to the boil. Ensure sugar is dissolved completed.Now pour this syrup on your warm cake. cake will absorb all the syrup and become super moist.

Last & final step is glazing the cake. For glazing, You will have to wait till the time cake is completely cool. Mix 2 tablespoon Orange & lemon juice in 1 cup of icing sugar and mix well to ensure no lumps and then pour this glaze on top of your cake.