The correct answer is 30 May 1987.Goa became India's 25th state on 30 May 1987.Goa is India's smallest state by area.Goa remained under the Portuguese administration even after India gained independence in 1947.After a 36-hour battle, the Indian Army invaded and captured Goa in 1961.Goa, Daman, and Diu merged to become the union territory of Goa, Daman, and Diu.From 19 December 1961 until 30 May 1987, the territory of Goa, Daman, and Diu was a union territory of India.Goa was granted statehood in 1987.Every year on December 19, Goa commemorates its liberation.The Indian government recognized Konkani as Goa's official language in February 1987.Pratapsingh Rane was the first Chief Minister of the newly established Goa state and had previously served as Chief Minister of Goa, Daman, and Diu. Important Points?Goa is located on the southwestern coast of India within the region known as the Konkan and geographically separated from the Deccan highlands by the Western Ghats.Capital: Panji.Official Language: Konkani which is one of the 22 languages from the Eight Schedule.Borders:It is surrounded by Maharashtra to the north and Karnataka to the east and south, with the Arabian Sea forming its western coast.Geography:The highest point of Goa is Sonsogor.Goa's seven major rivers are the Zuari, Mandovi, Terekhol, Chapora, Galgibag, Kumbarjua canal, Talpona and the Sal.Most of Goa's soil cover is made up of laterites.