Step 1: Understand the system.
The Permanent Settlement, also called the Zamindari System, fixed land revenue permanently in Bengal in 1793.
Step 2: Identify the Governor-General.
It was introduced by Lord Cornwallis in 1793.
Step 3: Its features.
Zamindars became hereditary landowners, the revenue demand was fixed forever, and failure to pay could cost them their land.
Step 4: Rule out others.
Warren Hastings ran earlier revenue experiments. Wellesley is known for the Subsidiary Alliance. Bentinck for social reforms like banning Sati.
Step 5: Conclude.
The Permanent Settlement was introduced by Lord Cornwallis.
Answer: Lord Cornwallis