Easy Eggless Chocolate Pudding

Ingredients  

Maida - 1/2 cup
powdered sugar - 2 tbsp
Cocoa Powder - 1 tbsp
Baking Powder - 1/2 tsp
Baking Soda - 1/4 tsp
oil - 2 tbsp
Milk - 1/4 cup
salt to taste
Hot water - 3/4 cup
powdered sugar - 1/2 cup
Cocoa Powder - 2 tbsp