Deduction is an amount subtracted from an employee's gross earnings, salary, reimbursement, or other payable amount based on applicable laws, statutory requirements, company policies, employee-authorized contributions, recoveries, or other approved adjustments. In payroll, deductions may include statutory contributions, income tax, loan or salary advances, professional tax, insurance contributions, benefit contributions, absence-related adjustments, or other authorized recoveries, depending on the employee's circumstances and applicable rules. In Human Resource Management Systems (HRMS), deduction management helps organizations define deduction components, apply eligibility and calculation rules, process recurring or one-time deductions, track recoveries, and integrate deductions with payroll. Accurate deduction processing helps ensure correct net salary calculations, transparent employee payslips, reliable payroll records, and appropriate statutory and financial compliance.