The Indian National Flag (tricolour) was unfurled by Bhikaiji Cama in:

Correct option is B

The correct answer is (b) Germany, 1907.
· Bhikaiji Cama, an Indian independence activist, unfurled the Indian National Flag, known as the tricolour, on August 22, 1907.
· This event took place at the International Socialist Conference in Stuttgart, Germany.
· The flag unfurled by Cama was a precursor to the current Indian national flag and symbolized India's aspirations for freedom.
· This act was one of the earliest instances of the Indian flag being displayed on an international platform.