Claim rejected for an internal congenital condition? That exclusion should not be in your policy at all.
An internal congenital exclusion is not a clause to argue about — IRDAI has directed that no health policy may contain one. Newborns with internal congenital defects must be covered from day one. Here is how to put that to the insurer.
Reviewed by the BimaHaq Insurance Grievance Desk — BimaHaq's in-house insurance-grievance team — specialists in IRDAI grievance redressal, the Insurance Ombudsman process, and policyholder rights in India. · Last reviewed 2026-08-31
Start from the clause's validity, not its wording. Chapter II of IRDAI's Guidelines on Standardization of Exclusions in Health Insurance Contracts (27 September 2019) lists exclusions that are 'not allowed', and directs that 'No Health Insurance Policy shall incorporate the following exclusions' — item (j) is 'Internal congenital diseases, genetic diseases or disorders'. So an internal congenital exclusion is not a narrow clause to be construed; it is one the insurer was not permitted to write. IRDAI reinforced this for infants on 12 October 2022 (Ref 30/IRDAI/HLT/GEN/ministry/2022-23), directing that products covering newborns must provide cover for internal congenital birth defects 'from day one' without 'any waiting periods/sub-limits or any other restrictive conditions'. External congenital anomalies — visible, surface conditions — are a different matter and may still be excluded, so identify which kind yours is first. If an ambiguous clause remains in play, it is read against the insurer that drafted it.
Why insurers reject on this ground
The insurer says the condition treated existed from birth and falls under the policy's congenital-anomaly exclusion — a ground that surfaces in claims for cardiac septal defects, hernias attributed to congenital weakness, and similar diagnoses, sometimes years after the policy began.
When you can challenge it
First establish whether the condition is internal or external. If it is internal, do not argue construction — say the exclusion is one IRDAI has directed may not appear in a health policy at all, and cite Chapter II(j) of the 2019 Standardisation of Exclusions Guidelines. For an infant, add the 12 October 2022 circular: cover from day one, no waiting period, no sub-limit, no other restrictive condition. If the condition is external, the clause may be valid, so then test the label itself — the insurer must establish medically that the condition is congenital rather than acquired, and a treating doctor's opinion can contest a TPA's assumption. Finally, if the rejection is dressed as non-disclosure, remember that you cannot conceal a condition you never knew you had — an internal congenital condition that first surfaced after the policy began was not a known fact you failed to disclose.
How to fight this rejection
Get the exclusion clause quoted verbatim, then check it is even allowed
Obtain the rejection letter citing the exact clause. If it excludes INTERNAL congenital disease, the clause itself is barred by Chapter II(j) of IRDAI's 2019 Standardisation of Exclusions Guidelines — quote that back rather than arguing about its scope. If it reaches only external anomalies, the clause may be valid and the dispute is about which kind your condition is.
Establish the condition's medical character
Ask your treating doctor whether the condition is truly congenital or could be acquired, whether it is internal or external in the policy's sense, and when it first became known or symptomatic.
Answer any concealment angle head-on
If the insurer alleges non-disclosure, set out in writing when you first learned of the condition — a diagnosis made after the policy started, of a condition you had no symptoms of, is not concealment.
Raise a written grievance with the insurer's GRO
Send a dated grievance to the insurer's Grievance Redressal Officer setting out why the rejection is wrong. The insurer must acknowledge it immediately and resolve it within 14 days.
Escalate to IRDAI on Bima Bharosa
If it isn't resolved in time or the reply is unsatisfactory, register the complaint on IRDAI's Bima Bharosa portal.
Take it to the Insurance Ombudsman
Free, and the award binds the insurer. The Ombudsman can award up to ₹50 lakh, and the Council for Insurance Ombudsmen applies that same figure to the claim value at filing — so above it, expect to be refused at intake and take the dispute to the consumer commission instead. File within one year of receiving the insurer's rejection — or, if it never replied, within one year of one month after you sent your representation.
Common questions
Are congenital diseases covered by health insurance in India?
Internal ones must be. Chapter II of IRDAI's 2019 Standardisation of Exclusions Guidelines directs that no health policy shall incorporate an exclusion for internal congenital diseases, genetic diseases or disorders — so the clause is not permitted, whatever the wording. For newborns and infants, IRDAI went further on 12 October 2022: products covering newborns must cover internal congenital birth defects from day one, with no waiting period, no sub-limit and no other restrictive condition. External congenital anomalies — visible surface conditions — are not in that prohibited list and may still be excluded.
I didn't know I had a congenital condition. Can the insurer call it non-disclosure?
Concealment requires knowledge. If the condition was internal, symptomless, and first diagnosed after the policy began, you had nothing to disclose — say so in your grievance with the medical records showing the date of first diagnosis.
What is the difference between internal and external congenital anomalies?
In health-insurance wording, external congenital anomalies are those in the visible and accessible parts of the body, while internal anomalies are those that are not — such as a heart septal defect. The distinction matters because many policies exclude only the external kind, so an internal condition falls outside the exclusion.
See the full escalation ladder for a rejected claim, or use a free complaint-letter template.
This guide is general information about the insurance-grievance process in India, not legal advice, and figures (timelines, monetary limits, jurisdiction) can change — verify against the official sources linked above before you rely on them.
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