Caste system is one aspect of Hinduism that has attracted a lot of criticism in the modern era. It is understandable too, as a large number of people are discriminated and treated unfairly because of such an arrangement. As societies move towards more egalitarian and meritocratic system, caste-system often acts as a barrier in such a movement. Although the system seems to be more of a cultural phenomenon, rather than a religious one, it still needs to be understood better in order to solve the problems it often leads to.
The video below will help you gain a deeper understanding of the issue:
The Essential Writings of BR Ambedkar
The Weave of My Life: A Dalit Woman’s Memoirs
Why I Am Not A Hindu