Jyotirao Phule:
- Jyotirao Phule was a social reformer from Maharashtra who played a critical role in the national movement.
- He was one of the pioneers of the social and educational reform movements in India during the 19th century.
- Phule criticized the caste system and worked towards the upliftment of the lower castes and women.
- He believed in equality and fought against the oppressive practices of the upper castes.
- Phule started schools for girls and lower caste children, challenging the prevailing norms that denied education to these marginalized groups.
- His efforts aimed at empowering the oppressed sections of society and preparing them for the national movement.
- Phule also founded the Satyashodhak Samaj, an organization that aimed to uplift the lower castes and fight against social discrimination.
- Through his writings and speeches, Phule actively criticized and challenged the Brahminical dominance in Indian society.
- His ideas and activism served as an inspiration to many social reformers and leaders of the national movement.

Ramaswamy Naicker:
- Ramaswamy Naicker, also known as Periyar, was a prominent social reformer from Tamil Nadu.
- He played a critical role in the national movement by advocating for social justice and equality.
- Naicker was a strong critic of the caste system and worked towards its eradication.
- He founded the Self-Respect Movement, which aimed to uplift the lower castes and eradicate social inequalities.
- Naicker fought against the oppressive practices of the Brahmins and called for a society based on rationality and equality.
- He emphasized the importance of education and self-respect for the marginalized sections of society.
- Naicker actively participated in various political movements and agitations, demanding social reforms and equality.
- His efforts to challenge the existing social order and fight for the rights of the oppressed contributed to the national movement.
- Naicker's ideas and activism inspired many people, especially from Tamil Nadu, to join the national movement and fight for independence.

In conclusion, both Jyotirao Phule and Ramaswamy Naicker were critical to the national movement due to their relentless efforts in challenging the oppressive social structures and advocating for equality and social justice. They played a significant role in empowering the marginalized sections of society, inspiring others to join the movement, and shaping the discourse on social reform and national liberation.