Complex sentence: Nepal are the Kanyakubja Brahmin which fall under category Panchagauda (worldwide classification) which means'Northern Brahmin' and under Upadhyaya Brahmin in Nepalese classification of Brahmin.
Split into simpler sentences: Nepal are the Kanyakubja Brahmin which fall under category Panchagauda (worldwide classification) which means'Northern Brahmin'. The Nepals falls under Upadhyaya Brahmin in Nepalese classification of Brahmin.