The correct answer is Bhikaji Rustam Cama .

The correct answer is option 4) Bhikaji Rustam Cama.

Bhikaji Rustam Cama is regarded as the ‘Mother of Indian Revolution’ for her significant contribution to India’s freedom struggle. She was a prominent Indian nationalist and an advocate of Indian independence from British colonial rule.

Bhikaji Rustam Cama was born in 1861 in Bombay (now Mumbai), and she actively participated in the Indian nationalist movement in the early 20th century. She was a member of the Theosophical Society and was associated with several revolutionary organizations such as the Indian Home Rule Society and the Paris Indian Society.

Bhikaji Rustam Cama is best known for designing and hoisting the first version of the Indian national flag in Stuttgart, Germany, in 1907. The flag had three colors- saffron, green, and white, and had eight lotus flowers in the middle with ‘Vande Mataram’ inscribed on it. The flag was meant to represent the idea of Indian unity and independence from British colonial rule.

Apart from designing the flag, Bhikaji Rustam Cama was also a prolific writer and a speaker. She wrote extensively on Indian nationalism and was a regular contributor to several Indian and international newspapers and journals. She was also a strong advocate of women’s rights and was one of the founding members of the All India Women’s Conference.

Therefore, the correct answer is option 4) Bhikaji Rustam Cama, who is regarded as the ‘Mother of Indian Revolution’ for her contribution to India’s freedom struggle, including designing and hoisting the first version of the Indian national flag.