Policy & Govt Letters/OPS & Coord/White Card                   Issue of White card (priority) - CO ECHS letter. 23 Jun 2017 Senior citizen - CO ECHS letter. 31 Oct 2016 Revised format of disability cert CO ECHS letter. 28 Apr 2017 AUTHORISATIOIN OF WHITE CARD AND REGULATION OF PRIORITY. 10 AUG 2018        This is the Official ECHS Web Portal, maintained & managed  by the COECHS.