In a bowl, take the flour and add baking soda, salt and water to make a semi-thick batter. Give it a rest for 8-10 minutes then make the pudla from it. Arrange the pudla with a layer of flour one on top of the other. Now spring roll sheet is ready. Now you can make a sheet of any shape and from this method. You can make many stuffed dishes like spring roll, samosa, ravioli using this sheet.