Yes it is going to happen.It may be 1 TPA to be selected by all of them so that they can give good service to them ( 4 PSu's).As it will be a good business therefore naturally all the instructions of PSU's will be followed.
Let us wait for many things to happen.With big hospitals being deleted - Is it going to be market segmentation where HNI's will start moving to private companies like Max Bupa /Apollo Munich .