8. LIBERATION-FINALLY AFTER 450 YEARS Within three days Goa was integrated into India in a near bloodless operation-“Operation Vijay” on December 19 th 1961. the other Portuguese territories of Daman and Diu were also taken over at around the same time and thus was formed the “Union territory of Goa, Daman and Diu”. On December 17 1964 India's Prime Minister Jawaharlal Nehru ordered the military invasion and liberation of Goa. A Portuguese army of 3000 Ill-equipped troops was out numbered by 30,000 Indian troops, supported by the Indian air force and Navy. The Portuguese Governor general Vassalo da Silva surrendered GENARAL VASSALO DA SILVA December 19th is celebrated as Goa Liberation Day .