Section 89. Relief when salary, etc., is paid in arrears or in advance.
Where an assessee is in receipt of a sum in the nature of salary, being paid in arrears or in advance or is in receipt, in any one financial year, of salary for more than twelve months or a payment which under the provisions of clause (3) of section 17 is a profit in lieu of salary, or is in receipt of a sum in the nature
of family pension as defined in the Explanation to clause (iia) of section 57, being paid in arrears, due to which his total income is assessed at a rate higher than that at which it would otherwise have been assessed, the Assessing Officer shall, on an application made to him in this behalf, grant such relief as may be prescribed.
Relief u/s 89 is available only if pension is charged under the head salary.
In your case it is the family pension which I is given after the death of the employee. Family pension is charged under the head Income from Other Sources. Therefore no relief.
But one thing can be done. Income from other sources is computed as per the books of accounts maintained by the assessee. In this case if accounts are maintained on accrual basis then pension will be taxable in each year separately. Therefore question of relief do not arises.
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