DA Arrears Month-wise Calculator

Calculate Dearness Allowance arrears for Central Government employees and Dearness Relief for pensioners — full month-wise breakdown, DA history, and Section 89 tax relief tool.

60%DA/DR Jan 2026
+2%Hike over 58%
3 MonthsJan–Mar 2026
Sec 89Tax Relief

DA Arrears — Complete Guide

Step-by-step method, full DA history 2016–2026, common errors, and tax rules

🧮 How to Calculate DA Arrears — Step by Step

1

Get the Official DA Circular: Find the DoPT/Cabinet notification. Note the effective date (1 Jan or 1 Jul), old DA%, and new DA%. For Jan 2026: Old = 58%, New = 60%, effective 1 January 2026.

2

Calculate DA Difference: New DA% − Old DA% = 2% for Jan 2026. This percentage is the extra DA you should have received every month since the effective date.

3

Monthly Arrear = Basic Pay × DA Difference%. Example: ₹56,100 × 2% = ₹1,122/month. For pensioner on ₹40,000: ₹40,000 × 2% = ₹800/month.

4

Count Pending Months: From effective date (inclusive) to payment month (inclusive). Jan 2026 effective → March 2026 payment = 3 months (January, February, March 2026).

5

Total Arrears = Monthly Arrear × Pending Months. ₹1,122 × 3 = ₹3,366. This is paid as a lump sum along with March 2026 salary/pension.

6

Verify on Salary / Pension Slip: Look for a separate “DA Arrears” or “DR Arrears” line. If missing by end of April 2026, contact your PAO or pension-disbursing bank. Raise a grievance on pgportal.gov.in if needed.

DA Arrears Formula:
Total Arrears = Basic Pay × (New DA% − Old DA%) / 100 × Number of Months

Example — Level 10, Jan 2026 hike:
= 56,100 × (60 − 58) / 100 × 3 months
= 56,100 × 0.02 × 3
= ₹3,366

📊 DA / DR Rate History — 7th CPC (2016 to 2026)

All Dearness Allowance revisions since 7th Pay Commission. Identical rates apply for both employees (DA) and pensioners (DR).

⚠️ Common Errors in DA Arrears — and How to Fix Them

❌ WRONG

Using Gross Pay for DA

Many apply DA% to total salary (Basic + HRA + TA + old DA). This inflates the result by 50–80%. DA is ONLY on Basic Pay.

✅ CORRECT

Basic Pay Only

DA Arrears = Basic Pay × DA Diff% × Months. E.g., ₹56,100 (not ₹90,000 gross) for a Level-10 employee.

❌ WRONG

Including FMA in DR (Pensioner)

FMA ₹1,000/month is flat — DR is NOT applicable on it. Including it overstates pensioner DR arrears.

✅ CORRECT

Exclude FMA from DR Base

DR base = Basic Pension only (+ additional pension if age 80+). FMA remains fixed at ₹1,000 regardless of DR revision.

❌ WRONG

Wrong Month Count

Counting from announcement month misses the effective month itself. Jan 2026 effective + Mar 2026 payment = 3 months, not 2.

✅ CORRECT

Include the Effective Month

Count from effective month (inclusive) to payment month (inclusive). The calculator above handles this automatically.

❌ WRONG

Thinking Arrears Are Tax-Free

DA/DR arrears are 100% taxable in the year of receipt. Not declaring them in ITR leads to IT notices.

✅ CORRECT

Declare + Claim Section 89

Declare DA arrears in ITR under “Salary Income.” File Form 10E online first, then claim Section 89(1) relief in ITR.

🧾 Section 89(1) Tax Relief — How to Claim

When DA arrears are paid as a lump sum, they are taxed fully in the year of receipt and may push you into a higher tax bracket. Section 89(1) provides relief by spreading the tax impact across the years to which the arrears belong.

1

Check Eligibility: Applicable when salary/pension arrears cause you to pay higher tax than if the amounts had been received in their respective years. File Form 10E online before submitting ITR — failing to do so makes the claim void.

2

File Form 10E: Login to incometax.gov.in → e-File → Income Tax Forms → Form 10E → Annexure I (salary/pension arrears). Enter year-wise breakup of arrears. Submit to get acknowledgement.

3

Claim in ITR: In ITR-1/ITR-2 under “Relief u/s 89,” enter the relief amount from Form 10E. This reduces your net tax payable. No additional documents needed — Form 10E acknowledgement is sufficient.

4

When Is Relief Maximum? When arrears push you from 20% to 30% slab; when they span 2+ financial years; and when you are in the old tax regime with significant deductions.

📘 How to Use the Month-wise DA Arrears Calculator

Start with the Employee tab when you are checking salary arrears. Enter the Basic Pay shown on the salary slip, select the old and new DA percentages, then choose the effective month and the payment month. The calculator counts the months inclusively, so January through March is treated as three months. This is important because many manual calculations accidentally omit either the first or last month.

Use the Pensioner tab when the arrears relate to Dearness Relief rather than salary DA. Enter Basic Pension, then adjust for commutation only where the pension is still under reduction. Additional age-related pension can be entered separately when applicable. Fixed Medical Allowance should remain outside the DR base on this page.

The Section 89 tab is for tax planning after the arrears amount is known. First calculate the salary or pension arrears in the appropriate tab, then transfer the total arrears amount into the tax-relief section. Keeping the arrears calculation and tax calculation separate makes it easier to verify each stage.

For long arrears periods, save the result by month. If Basic Pay changes during the period, split the calculation into separate blocks rather than applying one pay value to every month.

📅 Month-wise Method vs Simple Multiplication

For a short arrears period with no change in Basic Pay, the simple formula works well: Basic Pay × DA difference × number of pending months. The month-wise method becomes more useful when salary changes inside the period because annual increment, promotion, MACP or pay fixation can alter the Basic Pay before all arrears months are complete.

For example, if an employee receives a promotion in February while arrears run from January through March, January should be calculated on the old Basic Pay and February–March on the revised Basic Pay. Using one Basic Pay for all three months would either understate or overstate the total.

The same idea applies to pensioners if the pension itself changes during the arrears period because of revision or restoration. The Revised Pension Calculator can help confirm the pension base before arrears are recalculated.

A month-wise table is also easier to reconcile with payroll because each row can be matched with the amount that should have been paid for that month. This makes it especially useful for historical arrears or audit-style checking.

💰 How Basic Pay Changes Affect DA Arrears

DA arrears are driven by the Basic Pay applicable in each month. If Basic Pay remains unchanged, the monthly arrear is constant. If Basic Pay rises, the arrear from that month onward also increases because the same DA percentage difference is applied to a larger base.

Annual increment normally changes the Basic Pay within the same Pay Level, while promotion can move the employee to a higher Level and require fixation. For promotion cases, use the 7th CPC Pay Fixation Calculator first so the revised Basic Pay is known before arrears are computed.

If you are unsure of the current matrix cell, the Pay Matrix Calculator can help verify the Level and Basic Pay. Once the monthly Basic Pay values are correct, the DA arrears formula is straightforward.

Do not add HRA, TA or existing DA into the Basic Pay field. Those components may change total salary, but the DA arrears calculation on this page is based on the eligible Basic Pay or Basic Pension base.

👴 Pensioner DR Arrears: What to Check First

For pensioners, the percentage revision may be the same headline rate as employee DA, but the calculation base is different. Enter the Basic Pension from the PPO or current pension statement rather than gross pension including FMA or other additions.

If commutation is still in force, use the page’s commuted-pension field exactly as intended by the calculator. If the commuted portion has already been restored after the prescribed period, enter zero so the full restored pension becomes the DR base.

Additional pension for advanced age can attract DR where applicable, so the calculator provides a separate field. Keeping this amount separate makes the result easier to audit and prevents it from being confused with normal Basic Pension.

For a broader pension check, use the 7th CPC Pension Calculator or DA Calculator for Pensioners alongside this page. Those tools help verify the pension amount and DR separately before arrears are totalled.

🧾 Section 89 Relief and Arrears Tax Planning

DA and DR arrears may be received as one lump sum even though they relate to earlier months. That can increase taxable income in the year of receipt. The Section 89 tab is designed to estimate whether spreading the arrears over the years to which they relate reduces the tax burden.

Use annual salary excluding arrears as the starting point, then enter the arrears amount separately. Choose the applicable tax regime and confirm the standard deduction shown by the form. Old-regime deductions should be entered only when they actually apply.

For a one-year arrears period, the relief may be small. For arrears spanning more than one financial year, the difference can be more significant because the income is notionally allocated back to earlier periods for the comparison.

The calculator result is best used for planning. When filing tax returns, match the arrears breakup and Form 10E information with actual payroll or pension records rather than relying only on a rounded calculator estimate.

⚠️ Common Month-wise Arrears Mistakes

The first common mistake is using gross salary instead of Basic Pay. This can inflate the result substantially because HRA, TA and existing DA are already separate components. Always start from the exact Basic Pay applicable to the month.

The second mistake is counting months incorrectly. Effective month and payment month are both included when arrears cover the full period. January to March therefore means January, February and March — three months.

The third mistake is ignoring a mid-period pay change. If an increment or promotion happens during the arrears window, split the calculation at the date of change. One Basic Pay should not be used across months where the employee was actually drawing different matrix cells.

The fourth mistake is treating the newest DA rate as if it applied to older historical periods. For multi-period arrears, use the DA Rate Chart to confirm the correct old and new rate for each revision cycle.

✅ DA Arrears Verification Checklist

Before accepting the result, confirm the effective date, old DA/DR percentage, new DA/DR percentage, Basic Pay or Basic Pension and the number of pending months. Then verify whether any increment, promotion, pension revision or restoration happened inside the period.

Compare the month-wise table with salary or pension records one row at a time. If a row differs, check the Basic Pay first, then the DA percentage, then the month count. This one-variable-at-a-time method makes the source of any mismatch much easier to find.

After the arrears total is confirmed, review the tax impact separately. Keep the arrears statement, salary or pension slip and any Form 10E working together so the calculation can be supported later if required.

For future revisions, save the old and new rates together with the calculation date. This creates a useful history for comparing January and July DA cycles over time.

📌 Simple DA Arrears Example

Suppose an employee has Basic Pay of ₹44,900 and the DA rate rises by 2 percentage points. The monthly difference is ₹898. If the revision is effective from January and the revised payment is implemented in March, three months are pending, so the arrears estimate is ₹2,694. The month-wise table should show the same ₹898 difference for January, February and March when Basic Pay does not change.

If Basic Pay changes in February, calculate January on the old Basic Pay and February–March on the revised Basic Pay. This is the main advantage of keeping arrears month-wise instead of relying on a single multiplication across the entire period. For salary changes caused by promotion or fixation, verify the revised Basic Pay first and then return to this calculator.

Frequently Asked Questions

DA/DR arrears — common queries answered accurately

What is the DA arrear amount for the January 2026 hike?▾
DA/DR hiked from 58% to 60% (2% increase) w.e.f. 1 January 2026. Arrears cover Jan, Feb, Mar 2026 (3 months). Monthly arrear = Basic Pay × 2%. Examples: ₹18,000 basic → ₹1,080 total; ₹44,900 → ₹2,694; ₹56,100 → ₹3,366; ₹78,800 → ₹4,728; ₹1,44,200 → ₹8,652 total. For pensioners, replace basic pay with basic pension.
When will DA arrears for Jan 2026 be credited?▾
The Jan 2026 DA hike (58% → 60%) was confirmed by Cabinet. Arrears for January and February 2026 are paid along with the March 2026 salary/pension. Check your salary slip for a “DA Arrears” entry. If not received by end of April 2026, contact your Pay & Accounts Office (PAO) or pension-disbursing bank. File a grievance at pgportal.gov.in if unresolved.
Are DA arrears applicable on HRA and TA too?▾
DA arrears are calculated only on Basic Pay. Under 7th CPC, HRA is a % of Basic Pay (27/18/9%) and TA is a fixed amount — neither has a DA component in the arrears sense. There is no separate HRA arrear or TA arrear arising from a DA revision. Only the DA component itself creates arrears.
What if my basic pay was revised mid-arrear period (increment/promotion)?▾
Calculate separately for each basic pay applicable. If your increment was on 1 July 2025 (before Jan 2026 effective date), use your post-increment basic for all 3 arrear months. If promotion was during the arrear period (e.g., 1 Feb 2026), calculate January at old basic pay and February–March at new post-promotion basic pay, then total both figures.
Do I need Form 10E before claiming Section 89 relief?▾
Yes — Form 10E must be filed online BEFORE submitting your ITR. Filing it after ITR submission results in automatic disallowance of the relief and a demand notice. Login at incometax.gov.in → e-File → Income Tax Forms → Form 10E → Annexure I. For small arrears (under ₹5,000), the tax difference is usually negligible and Section 89 may not be worth filing.
What happens to DA arrears if an employee retires or dies during the arrear period?▾
A retiring employee is entitled to DA arrears for all months they were in service during the arrear period. These are paid with retirement dues. If the employee passes away, the pending DA arrears are paid to the legal heir/nominee along with other death-in-service benefits. The legal heir must apply to the PAO with death certificate and legal heir certificate.