Arunava Talukdar
Choosing the wrong health insurance plan can be costly, and the mistakes are often only discovered at claim time — when it's too late to fix them. Below are five of the most common health insurance buying mistakes I see, along with a comparison of plan types and a checklist you can use before you sign anything.
What Does Health Insurance Actually Cover?
Before comparing plans, it helps to know what a standard health insurance policy typically includes. Coverage varies by insurer, but most comprehensive plans cover:
- Hospitalisation expenses — room rent, doctor's fees, nursing charges, and ICU costs during an inpatient stay.
- Pre- and post-hospitalisation costs — medical expenses incurred a defined number of days before admission and after discharge.
- Day care procedures — treatments that don't require 24-hour hospitalisation, such as cataract surgery or chemotherapy sessions.
- Ambulance charges — emergency transportation costs, usually up to a specified limit.
- Cashless treatment — direct settlement with network hospitals so you don't have to pay upfront and claim later.
Many plans also offer optional benefits such as preventive health check-ups, maternity cover, critical illness riders and wellness programs — but these usually come with their own conditions and limits, so always read the policy wording carefully.
Common Health Insurance Buying Mistakes
Buying Based on Premium Alone
The cheapest policy is not always the most suitable one. A low premium can come with a lower sum insured, higher co-payment, or a longer list of exclusions that only surface when you file a claim.
How to avoid it: Compare the sum insured, sub-limits and exclusions side by side before looking at the premium.
Ignoring the Waiting Period
Most policies apply a waiting period for pre-existing diseases and certain treatments. Skipping this detail can mean a claim is rejected in the first year or two of the policy.
How to avoid it: Ask for the exact waiting period on your existing conditions in writing before you buy.
Choosing an Inadequate Sum Insured
Healthcare costs vary significantly by city and hospital. A sum insured that looked sufficient a few years ago may no longer cover a serious hospitalisation today.
How to avoid it: Review your sum insured every few years against current hospital costs in your city, not what felt adequate when you first bought the policy.
Overlooking the Hospital Network
Cashless treatment is only possible at network hospitals. Before buying, check whether the hospitals you would actually use are included in the insurer's network.
How to avoid it: Check the network hospital list for your locality, not just the insurer's total count of hospitals nationwide.
Not Disclosing Pre-Existing Conditions
Non-disclosure at the time of purchase is one of the most common reasons claims get rejected. Always declare existing conditions honestly, even if it affects the premium.
How to avoid it: Disclose all known conditions in writing at the proposal stage, even minor ones, and keep a copy of what you declared.
Individual vs Family Floater vs Senior Citizen Plans
The right structure depends on who you're covering. Here's how the three most common plan types compare on the factors that matter most.
| Feature | Individual Plan | Family Floater | Senior Citizen Plan |
|---|---|---|---|
| Coverage | One person only | Shared across the family | One senior citizen |
| Typical Premium | Lower | Moderate | Higher |
| Sum Insured Sharing | Not applicable | Yes | Not applicable |
| Waiting Period (Pre-existing) | Standard | Standard | Usually longer |
| Pre-Policy Health Check-up | Sometimes required | Sometimes required | Usually required |
| Ideal For | Single adults | Spouse, children & dependent parents | Parents & senior family members |
Advisor tip: A family floater is usually more cost-effective for young families, but once parents cross 60, a separate senior citizen plan is often more suitable because of the different waiting periods and premium loading involved.
How Much Sum Insured Do You Need?
There's no single number that works for everyone, but your city tier and family size are a reasonable starting point for the conversation:
| City Tier | Suggested Individual Cover | Suggested Family Floater Cover |
|---|---|---|
| Metro (Tier 1) | 10–15 lakh | 20–25 lakh |
| Tier 2 City | 7–10 lakh | 15–20 lakh |
| Tier 3 & Smaller Towns | 5–7 lakh | 10–15 lakh |
These are general starting ranges, not a recommendation — your ideal sum insured depends on your age, existing medical history, family size and the hospitals you're likely to use.
Health Insurance Terms You Should Know
A few terms come up in almost every policy document. Knowing them makes it much easier to compare plans and read the fine print.
| Term | What It Means |
|---|---|
| Sum Insured | The maximum amount the insurer will pay in a policy year. |
| Premium | The amount you pay, usually annually, to keep the policy active. |
| Co-payment | A fixed percentage of every claim that you pay from your own pocket. |
| Room-Rent Limit | The maximum room rent the policy covers per day; exceeding it can reduce your overall claim. |
| Waiting Period | The time you must wait after buying the policy before certain claims are payable. |
| No Claim Bonus (NCB) | An increase in sum insured (or discount on premium) for every claim-free year. |
| Network Hospital | A hospital that has a tie-up with your insurer for cashless treatment. |
| Pre-Existing Disease | Any condition you were diagnosed with or treated for before buying the policy. |
Pre-Purchase Checklist
Before you buy or renew a health insurance policy, confirm the following:
-
Sum insured matches your city's healthcare costs
-
Waiting periods and exclusions are clearly understood
-
Preferred hospitals are in the insurer's network
-
Room-rent limits and co-payment clauses are reviewed
-
All pre-existing conditions are honestly disclosed
-
Claim settlement ratio of the insurer is checked
-
No Claim Bonus and restoration benefits are compared
-
Policy wording is read in full, not just the brochure
Key takeaways:
- Compare coverage and exclusions first — premium comes last.
- A family floater usually works best for young families; senior citizens are often better off with a dedicated plan.
- Always disclose pre-existing conditions honestly to avoid claim rejection.
- Review your sum insured every few years, not just at the time of purchase.
Frequently Asked Questions
Not necessarily, but a lower premium is often the result of a lower sum insured, higher co-payment or more exclusions. Always compare coverage before comparing price.
Yes, most insurers allow this through the portability provision, though continuity benefits and waiting periods need to be checked carefully before switching.
Non-disclosure is one of the most common reasons claims are rejected or policies are cancelled. Always disclose existing conditions honestly at the time of purchase.
A No Claim Bonus increases your sum insured (or reduces your premium, depending on the insurer) for every year you don't make a claim, rewarding lower utilisation over time.
Health insurance premiums are generally eligible for deduction under Section 80D of the Income Tax Act, subject to limits based on age. Please confirm the current limits with a tax advisor.
Yes. You can hold multiple policies and choose how to settle a claim across them, which is why some people combine a base policy with a super top-up plan for additional cover.
