One of the greatest social reforms of abolition of the 'Sati' system in India was done by Governor-General ____________.

Correct option is C

The correct answer is: (C) Lord William Bentinck

Explanation:

Lord William Bentinck, the Governor-General of India from 1828 to 1835, is credited with the abolition of the Sati system (also spelled "suttee").

Sati was the practice in which a widow was forced to self-immolate on her husband's funeral pyre, which was prevalent in some parts of India during the 18th and early 19th centuries.

Lord Bentinck, after being influenced by social reformers and enlightened British thinkers, passed the Regulation XVII of 1829, which made the practice of Sati illegal and punishable by law.

• Lord William Bentinck is regarded as one of the most significant reformers during British colonial rule in India. His abolition of Sati is considered one of his greatest contributions to social reform in India.
• The regulation also laid the groundwork for further social reforms during the British colonial period, which included the promotion of education for women and the suppression of other harmful practices.

• Sir Charles Metcalfe:  was known for his role in promoting press freedom in India by removing restrictions on the press in 1835. 
• Lord Macauley: is famous for his role in the introduction of English education in India and for laying the foundation for the Indian Education System.
• Lord Cornwallis: is remembered for his administrative reforms and the permanent settlement of Bengal.