Option 1 -> Betwa flows through Madhya Pradesh and Uttar Pradesh but passes through different regions, not where Banda is located.
Option 2 -> Ken River flows through Madhya Pradesh and Uttar Pradesh, and Banda city is situated on its banks.
Option 3 -> Son River flows through central India (Madhya Pradesh, Uttar Pradesh, Jharkhand, Bihar) but does not pass through Banda.
Option 4 -> Tapti River flows through central India, mainly Maharashtra and Gujarat, far from Banda's location.
Hence, Option 2: Ken -> Banda is a major city in the Bundelkhand region of Uttar Pradesh and is located on the banks of the Ken River, which is a tributary of the Yamuna River -> correct