KARACHI: The Pakistan Flour Mills Association (PFMA) Sindh Zone on Tuesday announced a countrywide protest from June 30, 2021, for an indefinite period against the proposed increase in the turnover tax. At a press conference, PFMA Sindh Zone chairman Chaudhry Muhammad Yousuf announced that the flour mills would stop wheat grinding from June 23, 2021, (Wednesday), adding that the mill