Haryana Staff Selection Commission (HSSC) has extended the online application process for Group D posts till July 6, 2023. Candidates can apply online by visiting the official website of HSSC - hssc.gov.in. The recruitment drive aims to fill a total of 13,500 vacancies for various Group D posts. Interested candidates can register themselves, fill out the application form, upload the necessary documents, pay the registration fee and download the application for future reference as per the instructions mentioned on the website.