ECHS Polythenic Leh, Ladakh Recruitment 2020. EX-SERVICEMEN CONTRIBUTORY HEALTH SCHEME (ECHS) POLYCLINIC, LEH, LADAKH. ECHS Polyclinic, Leh, Ladakh invites application to engage persons for the following posts on contractual basis for a period of one year. OIC Polyclinic 01, Dental Officier 01, LabTeachnician 01, Assistant 01 and Driver 01 Working knowledge of Computers & English