SPARROW-CSSS (sparrow-csss.eoffice.gov.in) is an electronic portal designed for Central Secretariat Stenographer Service (CSSS) officers to submit their Annual Performance Appraisal Reports (APAR) securely. It streamlines the appraisal process by replacing paper submissions with an online workflow that includes self-appraisal, reporting, reviewing, and acceptance stages using digital signatures. Learn more on the eOffice website eOffice . sparrow - eOffice