Fillable Form with Auto Tax Calculations - TDS Form 16 in Excel for FY 2018-19 (AY 2019-20)& FY 2017-18 (AY 2018-19) with in built formulas with age option for tax calculation - Below 60, above 60/80 years for auto tax calculations. Income Tax Form-16 is a Tax dedcution (salary Certificate) u/s 203 of Income-tax Act, 1961 for tax deducted at source from income chargeable under the head Salaries