What was the code name of the Indian military operation conducted in December 1961 that resulted in the annexation of Goa, Daman, and Diu from Portuguese colonial rule?

• A Operation Blue Star
• B Operation Meghdoot
• C Operation Vijay ✓
• D Operation Cactus

Operation Vijay ('Victory') was a 36-hour military campaign in December 1961 that ended over 450 years of Portuguese rule and integrated Goa into the Indian Union.