In-depth employee data as well as HR policies and procedures are processed, tracked, and stored by a human resources information system (HRIS). Specializing in reliable record keeping and reporting, the HRIS, an interactive information management system, standardized human resource (HR) roles and processes. Although not a novel idea, the human resource information system (HRIS) is changing as a result of environmental changes (Marler & Fisher, 2022; Bondarouk et al., 2023). Human resource planning, or HRP, is its main duty and is a crucial task for any business. An excessive or insufficient number of employees could be the consequence of poor human resource management. Unpleasant conditions may arise from both an excessive number of employees and a small one. HRIS supports effective human resource planning (Strohmeier, 2020; Vrontis et al., 2022). The function of HRIS in human resource planning is investigated in this paper. The study is empirical in nature, and 200 respondents were selected to see the goals sights from the top five IT companies in Lucknow, Uttar Pradesh, based on market share. The survey is conducted using the questionnaire. Analysis reveals that HRIS has several benefits, chief among them being that it retains copious amounts of personnel data, which enables the company to move at a snail's pace. HRIS assists HR managers in strategic initiatives like manpower planning, succession planning, applicant tracking, and training, accurately identifying occupied and unfilled roles within a company