Carry out the following steps to calculate the exemption u/s 89:
Step 1: Calculate the tax due in the current year by including the arrears in your total income.
Step 2: Calculate the tax due in the current year by excluding the arrears from your total income.
Step 3: Compute the difference of amount from Step 1 & 2, called as ‘X’.
Step 4: Calculate your tax due in the year for which the arrears have been received by including the arrears in your total income.
Step 5: Calculate your tax due in the year for which the arrears have been received by excluding the arrears from your total income.
Step 6: After that compute the difference of amount from Step 4 & 5, called as ‘Y’.
Step 7: Finally, subtract X from Y to get the amount to be claimed as relief.