Option 1: Wellesley - This option is incorrect. Wellesley, also known as Arthur Wellesley or the Duke of Wellington, was an important figure in the British military and politics. However, he did not remove the Maratha Peshwa from his position or capture his territories. Wellesley is better known for his role in defeating Napoleon Bonaparte at the Battle of Waterloo.

Option 2: Cornwallis - This option is incorrect. Charles Cornwallis was a British general and colonial administrator. He is famously known for surrendering to the American forces in the Battle of Yorktown during the American Revolutionary War. Cornwallis did not have any significant involvement in removing the Maratha Peshwa or capturing his territories.

Option 3: Dalhousie - This option is incorrect. Dalhousie, also known as James Andrew Broun-Ramsay, was a British statesman who served as the Governor-General of India from 1848 to 1856. While he implemented various reforms during his tenure, including the Doctrine of Lapse, he did not remove the Maratha Peshwa or capture his territories.

Option 4: Hastings - This option is correct. Warren Hastings was the Governor-General of Bengal from 1773