Hi Pandian,
if you are serious about moving here the first thing is decide where to move to, I believe that Oslo is easier to get jobs as physiotehrapists as it is more multi cultural than Bergen. I found it very hard to find work here and eventually found a job though a mutual friend. One thing that seems to be important certainly in Bergen at least is the ability to speak Norwegian, some places are not interested unless you have conversational norsk. They may be more relaxed in Olso but I am not sure.
Once you have decided to move here you need to first contact Home - NOKUT to get your degree recognised. After you have coimpleted this then you need to contact SAK ? sak.no to register as a health professional. After this has all been cleared you are free to work more or less.
LEt me know how you get on with that first and then any other questions you may have let me know
Regards,
Rob