Usage ===== Basic usage example:: from taxcalcindia.calculator import IncomeTaxCalculator from taxcalcindia.models import ( SalaryIncome, BusinessIncome, OtherIncome, Deductions, TaxSettings, CapitalGainsIncome, EmploymentType ) settings = TaxSettings(age=27, financial_year=2025, is_metro_resident=True) salary = SalaryIncome(basic_and_da=500000, other_allowances=500000, bonus_and_commissions=350000) deductions = Deductions(food_coupons=26400, professional_tax=2500) calc = IncomeTaxCalculator(settings=settings, salary=salary, deductions=deductions) calculated_tax = calc.calculate_tax(is_tax_per_slab_needed=True) calculated_tax