Correct option is B
Pair 1 is correctly matched: The Asiatic Society of Bengal was founded by William Jones in Calcutta in 1784.
Pair 2 is incorrectly matched: Sanskrit college at Varanasi was founded by Jonathan Duncan for the study of Hindu Law & Philosophy (1791).
Pair 3 is correctly matched: Fort William College was set up in Calcutta by Lord Wellesley in 1800.