The Hindu Shahi kingdom’s capital was Udbhandapur, also known as Vaihind or Ohind, located near the Indus River. It served as a major political and military centre. The region controlled important trade and invasion routes. Its fall to Mahmud Ghaznavi played a crucial role in opening India’s northwest frontier to further Turkish expansion. ANSWER: (A) Udbhandapur / Vaihind / Ohind