The price per plate differs from venue to venue. If it is a wedding lawn then you will have to arrange a caterer and the price per plate will be quoted by the caterer. It also differs from city to city, like the wedding venues in Ahmedabad, Ahmedabad, Ahmedabad or any metropolitan cities will have expensive price per plate. If you plan to tie the knot in a resort or a rated hotel then there will be a fixed price according to the respective vendor. The price per plate also depends on the menu you are planning to have on your wedding day.