E.V. Ramasami Naicker, also popularly known as Periyar is primarily known for his ideas on:
1. Anti-casteism and rediscovery of The Dravidian identity
2. Women's suffrage
3. Support for ancient Indian languages like Sanskrit
4. Support for religious minority groups in India

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E.V. Ramasami Naicker, popularly known as Periyar, is primarily known for his ideas on anti-casteism and rediscovery of The Dravidian identity.

E.V. Ramasami Naicker (1879-1973), affectionately referred to as Periyar stands as a prominent figure in Indian history. He was a Tamil social reformer. He boldly championed atheism and remains celebrated for his tireless efforts in challenging the oppressive caste system while spearheading the revival of Dravidian identity. Initially affiliated with the Congress party, he launched the self-respect movement in 1925, igniting a fervour for social justice. Periyar's resolute leadership in the anti-Brahmin movement marked a turning point, and his allegiance shifted to the Justice party.