How is caste based reservation added to Indian constitution?

The Constitution never provides the reservation by itself, but rather empowers (or rather allows) Legislatures to provide the same by law. read more

The answer to your question therefore is: The Constituent Assembly is responsible for caste-based reservation in the constitution. The answer to the second question is straightforward - yes, there was a 10 year limit. read more

Local self-governments have caste, tribe and gender based reservation system in place. Reservations in employment A fixed percentage of India's government and public sector jobs are made exclusive for categories of people largely based on their caste or tribe. read more

The reservation system finds its origin in the age-old caste system of India. The caste system at its birth was meant to divide people on the basis of their occupation like teaching and preaching (Brahmins), kingship and war (Kshatriya) and lastly business(vaish) etc. but soon it became an instrument to divide the society on caste-basis, creating various walls between different sections of the society. read more