The SSC has initiated the application process for the Senior Secretariat Assistant (SSA) Limited Departmental competitive examination. The exam aims to select candidates for various services and cadres including Central Secretariat Clerical Service, Railway Board Secretariat Clerical Service, Armed Forces Headquarters Clerical Service, and more. Applicants must have a recent passport-sized photograph and a clear signature in the specified formats. The online application can be accessed using the registration number and password. Some information will be automatically populated from the One-time Registration Data.