category import problem

hi

I just created export file from my exisiting wordpress blog
but when i import it on my domain, it creates 63 categories bcos there are 63 posts. It gives the name to all categories as (1) like this.

i am importing using this plug-in : http://www.technosailor.com/wordpress-to-wordpress-import

How i can import my all data with category ?

please guide me.