Untouchability is a deeply entrenched historical practice of social exclusion and discrimination against certain groups, primarily the Dalits (formerly known as 'untouchables' or Scheduled Castes), based on their birth into specific castes deemed 'impure' or 'polluting'. Despite its legal abolition under Article 17 of the Indian Constitution, untouchability continues to manifest in various forms across India, particularly in rural areas.

Here are different forms of untouchability:

1. Social Exclusion and Segregation:

   • Residential Segregation: Dalits are often forced to live in separate hamlets or colonies, physically distanced from the main village inhabited by dominant castes. This segregation limits their access to common resources and social interaction.
   • Exclusion from Common Resources: Denial of access to common village wells, ponds, temples, community halls, public spaces, and even tea stalls. Dalits may be forced to use separate water sources or wait for dominant caste members to draw water for them.
   • Restrictions on Social Interaction: Prohibition of inter-dining (eating together), inter-marriage, and even physical contact. The concept of 'distance pollution' (where proximity to a Dalit is considered polluting) is still observed in some areas.

2. Occupational Discrimination:

   • Forced into Stigmatized Occupations: Dalits are historically, and often still, confined to 'unclean' or stigmatized occupations considered polluting by dominant castes. These include manual scavenging (cleaning human excreta), leather work (handling dead animals), sweeping, disposal of carcasses, and other menial jobs.
   • Limited Access to Other Professions: Even with education, Dalits often face discrimination in securing employment in other sectors, leading to underemployment or being forced back into traditional, stigmatized occupations.

3. Religious and Ritual Discrimination:

   • Temple Entry Restrictions: Dalits are often denied entry into temples or allowed only into specific, segregated areas. In some cases, they are permitted to worship only from a distance.
   • Exclusion from Rituals: They are excluded from participating in religious ceremonies, festivals, and priestly roles. Specific purification rituals might be imposed on them if they are perceived to have 'polluted' a sacred space.

4. Economic Exploitation:

   • Bonded Labor and Low Wages: Dalits, particularly landless agricultural laborers, are often subjected to exploitative labor practices, including bonded labor, and are paid significantly lower wages than dominant caste laborers for the same work.
   • Denial of Fair Prices: Dalit farmers or artisans may be denied fair prices for their produce or goods by dominant caste traders.
   • Landlessness: A significant proportion of Dalits are landless, making them economically vulnerable and dependent on dominant landowners.

5. Political Marginalization:

   • Exclusion from Decision-Making: Despite constitutional provisions for political representation, Dalits often face discrimination and intimidation in local governance (Panchayats), limiting their ability to participate effectively in decision-making processes.
   • Violence to Suppress Agency: Any assertion of rights or defiance of traditional hierarchies by Dalits can lead to social boycotts, economic blockades, or physical violence.

6. Educational Discrimination:

   • Historical Denial: Historically, Dalits were denied access to education. Even today, they may face subtle or overt discrimination in schools, such as separate seating arrangements, derogatory remarks from teachers or peers, and lack of support, leading to higher dropout rates.

7. Violence and Atrocities:

   • Physical Violence and Sexual Assault: Dalits, especially women, are disproportionately subjected to physical violence, sexual assault, and other atrocities by dominant castes as a means of enforcing caste hierarchy and punishing any perceived transgression.
   • Social Boycotts: Entire Dalit communities can be subjected to social boycotts, cutting off their access to essential services and livelihoods, as a collective punishment.

These forms of untouchability highlight that it is not merely a social prejudice but a systemic issue deeply embedded in the social, economic, religious, and political fabric of Indian society, perpetuating severe human rights violations and inequality.