Please tell us about your industry, the size, and age of your company. How did they manage payroll, employee engagement, performance appraisal, leave, etc., without HR?
Now, you can start maintaining the attendance (Muster Roll & OT Register) of the employees. Begin preparing the pay sheet and leave records. Keep copies of educational and experience certificates of the employees and update all employee records with their applications, interview details, pay fixation, offer of employment on probation, confirmation letters, salary revision, bonus payment details, etc.
Please ensure statutory compliance such as RC under S&E Act or any other relevant act. If necessary, obtain licenses under various acts. Register for PF & ESI and obtain the registration code so that employees' PF and ESI can be deducted and deposited.
As advised by Supriya, you can create an HR Manual with Vision, Mission, and Objectives, recruitment process, Promotion policy, Performance appraisal policy, separation policy (resignation, retirement, superannuation, death, accident, absconding, termination), training, and developmental needs of employees, etc.
In your free time, you can pursue your studies and personal development.
If you have any doubts, please ask specific questions, and our members will guide you accordingly.
Wishing you all the best.