Are rudraj brahmin is higher than kulin brahmin?

The simplest answer is "YES". This fact is supported by many proof some are listed below:

1. There is no such Word like Kulin, if exist why don't we find kulin in other parts of India.
2. The community who consider them kulin Brahmin are not native to Bengal.
3. These people may be considered as the illegal immigrant who don't want to return back to Kannauj.
4. Their original name is Kanyakubj Brahmins.
5. And they are not ethnically Bengali.