Follow the steps given below to calculate the income tax on arrear salary –
Step 1
Find out the difference between tax liability on total income (including arrear) and total income (excluding arrears)
Step 2
Now find out the difference between the tax liability on total income (including arrear) and total income (excluding arrear) of the year to which the arrear belongs
Step 3
If the tax liability on arrear in step 2 is higher than step 1, there shall be no tax relief on arrear. However, if it is lower, the extra tax liability shown in step 1 will be relieved