Swami Vivekananda (1863–1902), the foremost disciple of Sri Ramakrishna Paramahamsa, synthesized the ancient philosophy of Advaita Vedanta with modern social activism, transforming spirituality into a potent instrument of national regeneration. His speech at the Parliament of the World's Religions in Chicago (1893) brought global recognition to India's spiritual heritage, instilling profound self-confidence in a subjugated populace.
- Practical Vedanta: Reinterpreted Vedanta not as ascetic retreat into forest hermitages, but as selfless service to humanity. To Vivekananda, every individual possesses innate divine potential (Atman), meaning service to human beings is direct service to God ('Jiva is Shiva').
- Concept of Daridra Narayana: Vivekananda declared that God manifests most poignantly in the hungry, downtrodden, and illiterate masses. He vehemently condemned religious dogmas that ignored hunger: 'It is an insult to a starving people to offer them religion.'
- Awakening of the Masses (Sudra Jagaran): Drawing upon historical cyclical sociology, Vivekananda argued that human society progresses through the dominance of four castes: the Priest (Brahmana), the Warrior (Kshatriya), the Merchant (Vaisya), and finally the Laborer (Sudra). He prophetically foresaw the historical awakening of the working classes (Sudra Jagaran) and demanded that power, education, and dignity be shared with the proletariat.
- Man-Making and Character-Building Education: Advocated an educational pedagogy combining Western scientific rationality and technological vigor with Eastern spiritual and moral values, creating self-reliant, fearless, and compassionate citizens.
Vivekananda's concept of spiritual nationalism was inherently inclusive and non-aggressive. It defined India's national identity not by racial, linguistic, or territorial conquest, but by its spiritual mission of universal brotherhood, harmony of religions, and moral leadership of humanity.