The correct answer is A. 1961.
Goa was a Portuguese colony for over 450 years. In 1961, the Indian military invaded Goa and took control of the territory. The Portuguese government protested the invasion, but it was ultimately unsuccessful in regaining control of Goa. Goa became an Indian state in 1987.
Option B is incorrect because Goa was not liberated from Portuguese dominion in 1960. In 1960, the United Nations General Assembly passed a resolution calling for Portugal to end its colonial rule in Goa. However, Portugal did not comply with the resolution.
Option C is incorrect because Goa was not liberated from Portuguese dominion in 1965. In 1965, India and Pakistan fought a war over the disputed territory of Kashmir. However, Goa was not a part of the conflict.
Option D is incorrect because Goa was not liberated from Portuguese dominion in 1975. In 1975, Portugal was overthrown in a coup d’état. However, the new government did not change Portugal’s policy of maintaining its colonies.
In conclusion, Goa was liberated from Portuguese dominion in 1961.