Section 2(o) in The Citizenship (Registration of Citizens and Issue of National Identity Cards) Rules, 2003
(o)“Sub-district or Taluk Registrar of Citizen Registration” means the Subdistrict Magistrate or Taluk Executive Magistrate of every sub-district or taluk, by whatever name known, as the case may be, who shall function as Sub-district or Taluk Registrar of Citizen Registration;
