Well then a lesson on your own country is required… here is some interesting information from “Statistics Division” of Government of Pakistan … tells you the number of schedule castes in Pakistan and as i said they are counted seperately from Hindus.
http://www.statpak.gov.pk/depts/pco/statistics/other_tables/pop_by_religion.pdf
Now for some news how these “lower caste” hindus are treated in Islamic republic of Pakistan … from Pak media :k:
Low-caste Hindus face strict discrimination | Pakistan | News | Newspaper | Daily | English | Online