Stuffed aloo kulcha with masala paneer

Name: Stuffed aloo kulcha with masala paneer
Ingredients: 2 cup plain flour(maida); 1 tbsp Baking powder; 1 tbsp. Sugar; 1/4 tsp. Salt; Pinch baking soda; 2 tbsp. Milk powder; 1/4 th cup curd; 1 tbsp ghee; as required Ghee; as required Some flour for rolling; as needed Kalonji, chopped garlic; as per need Warm water; 4-5 boiled potatoes; 2 chopped onion; as per taste Salt; 1 tbsp. Chat masala; 1 tsp Ginger chilli paste; 1 tbsp Garam masala; 20 gm grated paneer; as required coriander leaves