In very simple language,

doing something or taking any decision in favour of welfare of own caste is known as castism...it can be seen in politics.have gives a bad impact on it..

Casteism: An Overview
Casteism refers to the discrimination and social stratification based on the caste system, predominantly observed in South Asia, particularly India. The caste system classifies individuals into hierarchical groups, often dictating their social status, occupation, and interaction with others.
Origins and Implications
- Historical Context: Casteism has its origins in ancient Hindu society, where it was linked to occupational roles and religious duties.
- Social Disparities: It has led to significant social inequalities, marginalizing lower castes, particularly Dalits (formerly referred to as "Untouchables").
Caste and Politics
- Political Mobilization: Caste plays a crucial role in Indian politics. Political parties often mobilize support based on caste identities to gain votes.
- Reservation Policies: The Indian government implements affirmative action policies, such as reservations in education and employment, aimed at uplifting marginalized castes, creating political discourse around caste-based equity.
- Caste-Based Violence: Casteism can lead to violence and social strife, with lower castes facing discrimination and hostility from higher castes.
Current Challenges
- Persistence of Casteism: Despite legal measures against caste discrimination, casteism continues to influence societal norms and relationships.
- Changing Dynamics: The rise of educated and economically empowered individuals from lower castes is challenging traditional caste hierarchies, leading to shifts in political and social landscapes.
Conclusion
Casteism remains a critical issue in the social and political fabric of India. Understanding its implications is essential for fostering a more equitable society where individuals are judged by merit rather than caste.