- **Option 1: Jyotirao Phule**
- A reformer and thinker from Maharashtra.
- Advocated against the caste system and for women's education.

- **Option 2: Mahatma Gandhi**
- Key leader in India's struggle for independence.
- Promoted non-violence and worked towards the upliftment of the oppressed.

- **Option 3: Shree Narayana Guru**
- Social reformer from Kerala.
- Known for his teachings on caste equality.
- **✅ Was the one who proclaimed 'One caste, one religion, one God for humankind'.**

- **Option 4: Dr. Rajendra Prasad**
- First President of independent India.
- Played a significant role in the freedom movement.

**YOUR ANSWER IS RIGHT**