Section 3(1)(zc) in The Scheduled Castes and the Scheduled Tribes (Prevention of Atrocities) Act, 1989
(zc)imposes or threatens a social or economic boycott of any person or a family or a group belonging to a Scheduled Caste or a Scheduled Tribe, shall be punishable with imprisonment for a term which shall not be less than six months but which may extend to five years and with fine.