Conversation so far:
who did announce a separate electorate for the dalits
Dr Ambedkar had proposed the idea for a separate electorate for Dalits and untouchables in the first conference, which the Congress boycotted.
what were dr ambedkar's reasons for a separate electorate for the dalits
Ambedkar felt that the system of unqualified joint electorates served the second purpose but it enabled the majority to influence the election of the representatives of the dalits community.
tell me about the dalits in india
Dalit is a term mostly used for the ethnic groups in India that have been kept depressed. Dalits were excluded from the four-fold varna system of Hinduism.

Question: what is the varna
Self-contained rewrite: what is the varna in hinduism