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Plans start at just ₹21/day*.
We pay 100% of your hospital bills
From syringes to surgeries
No limit on hospital room rent
No compromises on recovery
Critical illness insurance is a type of health insurance that covers the insured against life-threatening diseases. It provides financial support in the form of a lump sum payout if the insured person is diagnosed with a serious medical condition listed in the policy terms.
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What is Critical Illness Insurance?Features of Critical Illness InsuranceWhy Critical Illness Insurance is Important in IndiaWhat’s CoveredWhat’s Not CoveredCritical vs. Standard Health PlansCalculating the Right AmountWho Should Consider Critical Illness Insurance?What are the Tax Benefits of Critical Illness Insurance?How to Choose the Best Critical Illness Insurance Cover?What are the Documents Required at the Time of a critical illness insurance claim?Frequently Asked Questions (FAQs)Critical Illness Insurance is a specialised health cover that is designed to protect you against specific medical conditions or risks, rather than covering general hospitalisation expenses. It protects you against specific serious diseases like cancer, heart attack, stroke, kidney failure, or paralysis. It usually pays a lump sum amount, which can be used for treatment, recovery costs, income replacement, or any other financial need.
Most policies include a 90-day waiting period from the policy start date. They also have something called a survival period. This means the person diagnosed must survive for a certain number of days after the illness is confirmed before the payout is made. Depending on the insurer, critical illness coverage may be available as an insurance policy or as an add-on rider to an existing health insurance plan.
Critical illness insurance is designed to give you financial support during a difficult time if you are diagnosed with a major illness. So, let’s look at its main features to better understand how it helps you during such a challenging time.
This type of insurance does not cover every medical issue. It is meant for major illnesses such as cancer, heart attack, stroke, or kidney failure, only the ones mentioned in the policy.
If you are diagnosed with one of the covered illnesses, the insurance company gives you a fixed amount of money in one go. You can use this money however you need, for treatment, recovery, or managing your daily expenses.
The amount you pay for this policy is usually manageable. In many cases, buying it earlier in life can make it even more affordable.
Most policies have a waiting period, usually around 90 days from the start date. This means you won’t be able to make a claim during the first few days of the policy.
Most policies also include a survival period. This means the insured person must continue to live for a certain number of days after diagnosis before the payout is made. This is a common policy condition.
Unlike standard health insurance, the money is paid as soon as the illness is diagnosed, and it is not linked to hospital bills. This means a confirmed diagnosis of a covered illness is usually enough to receive the payout.
The premium you pay may help you save tax under Section 80D of the Income Tax Act, subject to the limits allowed by law.
Depending on the insurer, you can buy critical illness insurance as a separate policy, or you can add it to an existing health or life insurance plan for extra protection.
Serious illnesses are becoming more common, and the cost of treating conditions like cancer and heart disease can be very high. This is why many people choose to include critical illness insurance in their financial planning. Here are some simple reasons why it can be important in India.
A serious illness can change many things in a person’s life, not just their health; it can also put pressure on their savings. Having financial support from a critical illness insurance during this time can reduce financial burden.
These days, conditions such as heart problems and certain cancers are being seen more often. Many people are noticing these health issues at younger ages than before. Busy lifestyles, constant stress, and unhealthy habits can gradually affect overall health.
Recovery from a serious illness may take time. During this period, you may not be able to work as usual. This can affect your regular income, and a lump sum payout from a critical illness insurance can help manage various expenses while you focus on getting better.
This money is not limited to paying hospital bills. It can be used for treatment, recovery, clearing loans, or managing daily expenses.
During a medical emergency, money worries can make an already difficult time feel even heavier. Having some financial support helps you and your family focus more on getting better instead of worrying about expenses.
Critical illness insurance generally covers a variety of medical conditions. Some of the common medical issues covered in such insurance policies are as follows:
| Illness | Coverage Details |
| Cancer | If you are diagnosed with a covered stage of cancer mentioned in the policy. |
| Heart Attack | If you suffer a severe heart attack, it is listed in the policy. |
| Stroke | If a stroke causes lasting health problems, as mentioned in the policy. |
| Kidney Failure | Included in cases of permanent kidney failure that require regular dialysis or a transplant. |
| Organ Transplant | If a major organ transplant, such as heart, liver, lung, or kidney, is required. |
| Multiple Sclerosis | If the condition leads to long-term or ongoing symptoms. |
| Paralysis | If paralysis results in permanent loss of movement. |
| Major Organ Failure | If a vital organ, such as the liver or lungs, stops working permanently. |
| Coronary Artery Bypass Surgery | If bypass surgery is required due to severe heart blockage. |
It is important to learn the details of the policy since the benefits can vary among insurance companies.
In most cases, critical illness plans do not cover the following:
| Not Covered | Simple Description |
| Illness during the waiting period | If the illness is diagnosed within the first 90 days (or the waiting period), the policy will not apply. |
| Death during the survival period | If the insured person passes away during the required survival period after diagnosis, the benefit is usually not paid. |
| Illness linked to smoking, alcohol, or drug use | Illnesses caused by tobacco, excessive alcohol, or drug use are generally not covered. |
| Congenital disorders | Illnesses that are present from birth are usually not included. |
| Pregnancy or childbirth complications | Medical conditions related to pregnancy or delivery are typically not covered. |
| HIV/AIDS | Illnesses related to HIV or AIDS are generally excluded. |
| War or terrorism-related illnesses | Conditions arising due to war or acts of terrorism are usually not covered. |
| Cosmetic surgery or dental treatment | Procedures done for cosmetic reasons or routine dental care are not included. |
| Hormone replacement therapy | Treatments related to hormone replacement are usually excluded. |
| Treatment outside India | Medical treatment received outside India is typically not covered under most policies. |
The table below shows how critical illness insurance and health insurance differ from each other.
| Parameters | Critical Illness Insurance | Health Insurance |
| What it covers | Covers only certain serious illnesses like cancer or a heart attack. | Covers most medical treatments and hospital expenses. |
| How you get paid | You receive a fixed amount if a covered illness is diagnosed. | The insurance company pays your hospital bills. |
| Scope | Limited to the illnesses listed in the policy. | Covers a wide range of medical problems. |
| Survival Period | You may need to survive for a few days after diagnosis before the money is given. | No survival period for regular claims. |
| Use of Money | You can use the money however you need. | The money is used to pay medical bills. |
| Best For | Extra financial support during a serious illness. | Overall protection against medical expenses. |
While critical illness policies provide lump sum benefits for specific illnesses, comprehensive health insurance plans offer broader hospitalisation coverage for a wide range of medical conditions. Explore the ACKO Health Insurance page →
The amount of cover you choose should depend on your income, savings, and financial responsibilities. The idea is that if you ever face a serious illness, the cost of treatment and everyday expenses should not become an added worry for your family. So, here are a few practical things you may want to think about:
A simple way to estimate the amount of cover you may need is to multiply your annual income by the number of years you think recovery might take. It’s not an exact number, but it helps you see what your family might need to manage during that time.
Critical illness insurance can be more important to some people than to others. This would include sole earners of a family, the self-employed whose income depends upon their ability to work, and those whose family members have suffered from critical illnesses. So, buying a Critical Illness plan will be highly beneficial for the following people:
Critical illness insurance can be more important to some people than to others. This would include sole earners of a family, the self-employed whose income depends upon their ability to work, and those whose family members have suffered from critical illnesses. So, buying a Critical Illness plan will be highly beneficial for the following people:
Let's break down the tax benefits under a critical illness insurance policy in the realm of health insurance:
| Benefits | Premium Payments |
| Premium Payments | Premiums paid towards critical illness policies are free from taxes subject to certain limits. |
| Familv coverace | Family floater plan deductions available. Rs. 25,000 limit if all family members are below 60 years; Rs. 50,000 limit if family members are senior citizens. |
| Critical lllness Rider | Covers specific essential illnesses. Premiums attract tax deduction under Section 80D. |
| Preventive Health Check-up | Deduct expenses related to preventive health screenings. Vital for detecting critical illnesses not explicitly insured against. Indirect costs, including check-up expenses, can be deducted. |
Before picking a critical illness plan, it helps to pause and reflect on your own situation. It’s not only about the price. It’s about whether your family would be able to manage expenses if you are unable to work for some time. So, below are some of the factors you should keep in mind:
First, think about your own health. Then think about the health issues your parents or close relatives may have had. If someone in your family has dealt with serious illnesses like cancer or heart problems, it might be wise to choose a plan that includes those conditions.
Your age plays an important role. As you grow older, the risk of lifestyle-related illnesses increases, and premiums may also become higher. Many people prefer buying coverage earlier in life when they are healthier, and premiums are usually lower.
Some policies include more conditions than others. Go through the list carefully and make sure it includes the major illnesses you are concerned about.
Treatment costs can be high and may vary depending on the city and hospital. The coverage amount should be enough to support both treatment and daily expenses.
Most plans have a waiting period before you can raise a claim. If you already have health concerns, choose a policy with a shorter waiting period.
Some policies require the insured person to survive for a certain number of days after diagnosis before the benefit is paid. It is important to check this condition to understand how the policy works.
Every policy has terms about what is covered and what is not. Take some time to understand these details so there are no surprises later.
The following table lists the documents you might need to raise a claim:
| Document Type | Details |
| Claim Form | Complete the claim form issued by the insurance company with accurate information. |
| Medical Certificate | Obtain a medical certificate from the attending doctor, specifying diagnosis, seriousness, and prescribed medication. |
| Discharge Summary (if applicable) | Include the hospital discharge summary detailing the duration of hospitalisation, treatment, and any operations performed. |
| Investigation Reports | Attach medical investigation reports such as blood tests, scans, and relevant documents supporting the critical illness diagnosis. |
| Prescriptions and Bills | Keep original receipts for medicines, consultations, and bills related to critical illness medical expenses. |
| Photo ID and Address Proof | Provide photocopies of identity proof (e.g., Aadhar card, passport, or driving licence) and address proof (e.g., utility bills or Aadhar card) for authentication. |
| Policy Document | Submit a copy of your Critical Illness Insurance policy for verification and review of provisions. |
| Hospital Registration (if applicable) | Submit admission and discharge documents specifying dates and details of hospitalisation. |
| Test Reports for Diagnosis | Include test results confirming the critical disease for validation of the medical situation. |
| Claimant's Bank Details | Provide bank account information, including the bank name, account number, and IFSC code, for claim payment. |
| Death Certificate (if applicable) | If the critical illness results in demise, include the death certificate as part of the claim documentation. |
The following are frequently asked questions regarding a Critical Illness Insurance.
Written by
Roocha Kanade
Content Architect
Health Insurance content enthusiast who turns complex topics into easy, binge-worthy reads—fueled by SEO, creativity, and way too much chai! Loves juggling multiple projects, cracking impossible deadlines, and sprinkling humor into the mix. When not geeking out over digital trends, you'll find her lurking on Quora and Reddit, planning the next getaway, or passionately decoding all things health and insurance!
Reviewed by
Dr Nitin Kumar Gupta
SVP – Health Underwriting & Claims at Acko General Insurance
SVP – Health Underwriting & Claims at Acko General Insurance — With 20+ years of experience driving digital transformation and profitable growth, I am a seasoned Senior Insurance Executive specialising in Health, Life, Accident, and Disability insurance. Backed by an MBBS degree and advanced insurance designations (FLMI, FALU, FLHC, ACS, ARA), I bring a unique blend of medical expertise and deep insurance-domain leadership. My core strength lies in optimising underwriting and claims operations, enabling automation-led scalability for both large insurers and digital-first startups.
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