The 56th Liberation Day of Goa is celebrated on which date in India?

The correct answer is: A. 1st December 2020

Goa was liberated from Portuguese rule on December 1, 1961. The day is celebrated every year as Goa Liberation Day.

Option B is incorrect because Goa was liberated on December 1, 1961, not December 1, 1919.

Option C is incorrect because Goa was liberated on December 1, 1961, not December 1, 2021.

Option D is incorrect because Goa was liberated on December 1, 1961, not December 1, 2018.