Ex-servicemen Contributory Health Scheme (ECHS) Jobs Recruitment 2019. Ex-servicemen Contributory Health Scheme (ECHS) invites applications to engage following staff on contractual basis in ECHS Polyclinic, Samba for a period of 11 months, renewable for additional period of same duration depending on performance: Posts Details Below Medical Specialist: 01 Physiotherapist: 01 Pharmacist: 01 Clerk: 01 Post