But then a new issue is cropping up and it has been totally unexpected for the heroines. While paying huge sums, these companies also lay down the condition that they should not use products of rival companies in public. For example, if you endorse a particular brand of cola, you should not use any product of the rival company in public such as shooting, events etc. This is somewhat difficult to abide as the actresses have no way of checking which product would be given to them on their professional film assignments.