Explanation:

- Option 1: Akbar

- Raja Todarmal was a prominent finance minister in Akbar’s court.

- He is famous for introducing the revenue assessment system called ‘Dahsala’ during Akbar’s reign. (Correct Answer)

- Option 2: Babur

- Babur founded the Mughal Empire but did not introduce significant revenue reforms.

- Todarmal did not work under Babur.

- Option 3: Shahjahan

- Shahjahan ruled much later, after Akbar, and Todarmal was not active in his reign.

- Option 4: Shershah

- Shershah Suri did introduce some revenue reforms, but Raja Todarmal started his revenue work under Akbar, not Shershah.