The correct answer is (b). Hector Munro was the Commander of the army of the East India Company in the battle of Buxar.
Robert Clive was a British soldier and statesman who is best known for his role in the Battle of Plassey in 1757, which marked the beginning of British rule in India. He was not the Commander of the army of the East India Company in the battle of Buxar.
Warren Hastings was the first Governor-General of India from 1773 to 1785. He was not the Commander of the army of the East India Company in the battle of Buxar.
Admiral Watson was a British naval officer who served in the East India Company’s navy. He was not the Commander of the army of the East India Company in the battle of Buxar.
The Battle of Buxar was fought on October 22, 1764, between the British East India Company and the combined forces of the Nawab of Awadh, the Mughal Emperor Shah Alam II, and the Nawab of Bengal. The British were victorious, and the battle marked the end of Mughal rule in India.