Treating anyone in an unacceptable and unfair manner based on a prejudice or stereotype is called discrimination.
Discrimination can happen in different ways and for various reasons. Inequality in economic background, occupation type, caste or religion can lead to discrimination. Indian leaders like Dr. Bhimrao Ambedkar who wrote the Constitution were aware of these inequalities.
A Constitution is a document that lays down the rules by which a nation should be ruled. Indian Constitution treats all Indian citizens as equal irrespective of caste, religion and economic background.
Untouchability is now seen as crime as per law. As per Indian Constitution, India is a secular country, which means people of all religions and cultures are free to speak any language, practice their customs and celebrate their festivals. Despite these provisions in Constitution, inequalities still exist in our society.