The nationality and other eligibility conditions of the candidates who are intending to appear in the For Combined Matric Preliminary Exam conducted by the SSC is explained here.
A candidate must be either
Provided that a candidate belonging to categories (b), (c), (d) and (e) above shall be a person in whose favour a certificate of eligibility has been issued by the Government of India. A candidate in whose case a certificate of eligibility is necessary, may be admitted to the examination but the offer of appointment may be given only after the necessary eligibility certificate has been issued to him by the Government of India.
Candidate must have attained the age of 18 years and must not have attained the age of 27 years as on the first day of August of the year of examination.
Must have passed Matriculation or equivalent or higher examination as on first day of August of the year of examination.