This document provides instructions for applying online for an advertised position with HSSC Advt. No. 7/2019. It outlines the 7 step application process which includes providing personal details, contact details, reservation details, qualification details, uploading photos and signatures, experience details, uploading documents, and making a payment. Key details emphasized include carefully filling out all information, uploading required documents like Aadhar and declaration, and noting the GRN payment tracking number.