Defence Pension Calculator

The building blocks of defence pension

Defence pension is assembled from separate elements. Understanding which applies to you is half the battle:

• Service pension — the core entitlement for anyone completing the minimum qualifying service. Payable for life.
• Disability element — an additional amount if you're invalided out or carry a service-attributable disability.
• Family pension — payable to the spouse/dependents after the pensioner's death (or a battle casualty's family).
• Commuted value — a tax-free lump sum from surrendering up to 50% of pension.
• OROP top-up — periodic revision bringing past retirees to current-retiree parity.

How service pension is calculated

The formula is:

Service pension = 50% × Reckonable emoluments
Reckonable emoluments = Basic Pay + Military Service Pay (MSP)

Full 50% pension is earned at 20 or more years of qualifying service for JCOs/OR (and the prescribed minimum commissioned service for officers). Below 20 years, the rate tapers. There is a minimum pension of ₹9,000/month — nobody eligible for service pension draws less than this.

MSP is what makes defence pension distinct from civil pension. It is added to basic before the 50% is applied, so it directly lifts the pension:

Dearness Relief is then paid on top of the basic pension at the current DR rate — the same percentage as serving-employee DA.

What OROP actually changed

Before OROP, a Sepoy who retired in 1995 drew a far smaller pension than a Sepoy retiring in 2015 at the same rank and service — because pension was frozen at the pay of the retirement year. One Rank One Pension, implemented with effect from 1 July 2014, fixed this: all personnel of the same rank and same length of service draw the same pension, regardless of retirement date. Past retirees below the current benchmark are pulled up, and the gap is revised periodically (the "equalisation" is refreshed every few years).

OROP arrears from each revision are typically paid in instalments. If you retired before 2014, your pension today reflects the latest OROP table for your rank and service, not your original 1990s or 2000s figure.

Disability pension — the element people underclaim

If you are invalided out, or retire with a disability that is attributable to or aggravated by military service, you get a disability element in addition to (or instead of, if you don't qualify for service pension) the service element:

Disability element = 30% of reckonable emoluments (for 100% disability)

For assessed disability below 100%, the element is proportionate — but disability assessed below 20% is rounded up to 20% for pension purposes, and broad-banding rules can round 1–49% up to 50%, 50–75% up to 75%, and 76–100% up to 100% in invalidment cases. This broad-banding is where a lot of under-assessment litigation has been won.

Crucially: both elements are fully tax-exempt for armed forces personnel. This is a major difference from civil disability pension.

Commutation for defence pensioners

Defence personnel can commute up to 50% of pension (versus 40% for civil pensioners), as a tax-free lump sum:

Lump sum = Commuted monthly pension × 12 × Commutation factor

The factor comes from the same age-at-next-birthday table used across government (age 58 ≈ 9.366, age 60 ≈ 9.124). The commuted portion restores after 15 years. Because officers often retire earlier than 60, the factor — and hence the lump sum per rupee commuted — is usually higher than for a civil superannuant. Compare the mechanics with the civil Commuted Pension Calculator.

Family pension

Family pension protects the spouse and dependents:

• Ordinary family pension = 30% of reckonable emoluments.
• Enhanced family pension = 50% of emoluments, for the first 7 years after death or until the notional age of 67, whichever is earlier — then it steps down to 30%.
• Liberalised family pension (battle casualties) = 100% of reckonable emoluments to the widow for life.
• Special family pension (death attributable to service) = 60% of emoluments.

Practical advice from thirty years in

Get your disability assessment right at the medical board. Once the board records a percentage, revising it later is a long road. If you believe the assessment undervalues an attributable condition, contest it before you're released, and understand the broad-banding rules.

Keep every OROP revision letter. When arrears are paid in instalments, the arithmetic is easy to lose track of. Your records are your defence if a tranche is missed.

Don't over-commute in a hurry. 50% is the ceiling, not a recommendation. Model the reduced monthly pension over 15 years against what the lump sum will actually earn you before you decide.

Use the Defence Pension Adalat. If PCDA(P) has misapplied a rule — wrong MSP, wrong qualifying service, missed disability element — the adalat exists precisely to fix it without litigation. Many corrections I've seen were simple data-entry errors that took one adalat sitting to resolve.