The pair "Udiyanjeral : Chola" is incorrectly matched because Udiyanjeral is actually associated with the Pandya dynasty, not the Chola dynasty. This highlights the historical significance and interrelations of the Tamil dynasties in early Tamilakam, where rulers often had overlapping territories and conflicts, which can lead to confusion over their dynastic affiliations. Understanding these dynastic links is crucial for grasping the political landscape of ancient South India, a topic frequently examined in UPSC Prelims under Indian history.