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How to Port Health Insurance Without Losing Your Waiting Period Benefits

Switching your health insurance doesn't have to mean starting from zero. Here is how you can move to a better plan while keeping your hard-earned benefits intact.

4 min read

OneAssure Team

March 30, 2026

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The 45 Day Countdown

You can switch. It is your right. But timing is everything. IRDAI rules state that you must apply for porting at least 45 to 60 days before your current policy expires. If you wait until the last week of your renewal, you are stuck. The new insurance company needs this time to check your health data and decide if they want to cover you. Think of it like a 45 day notice period for your health cover. If you miss this window, the new insurer can legally refuse your application. You would then have to renew with your old company for another year.

Keeping Your Waiting Period Credit

This is the main reason people are afraid to switch. You have already spent three years waiting for your pre-existing disease cover to kick in. If you move to a new company, does the clock reset? No. The law says the new insurer must give you credit for the time you have already served. If you finished two years of a three-year waiting period, you only have one year left with the new company. This credit applies to specific illnesses like cataracts or kidney stones too. It even protects your eight year moratorium period. After eight years of continuous coverage, insurers generally cannot dispute your claims. That credit moves with you to the new policy.

The No Claim Bonus Advantage

Your No Claim Bonus is a reward for staying healthy. It increases your total cover. When you port, this extra cover travels with you. If you have a ₹5 Lakh plan and a ₹2 Lakh bonus, the new insurer treats you as a person with ₹7 Lakh worth of cover. However, the premium they charge will be based on their own internal pricing. On top of that, there is a huge financial win coming soon. From September 22, 2025, GST on health insurance is 0%. This means your renewal or porting premium will drop by nearly 18%. It is the perfect time to look for a better plan without the tax burden.

Moving From Corporate to Personal Cover

Are you planning to quit your job? Most 25 to 35 year old professionals rely solely on their company health insurance. When you leave, that cover ends. You can port that corporate cover to a personal plan with the same insurer. Do this during your notice period. It ensures you don't lose the continuity benefits you earned while working. If you wait until after you leave, you might have to buy a fresh policy and start all your waiting periods from day one. It is a simple step that saves years of waiting.

The Increased Sum Insured Trap

Be careful when you decide to increase your cover. If you port from a ₹5 Lakh plan to a ₹10 Lakh plan, the waiting period credit only applies to the first ₹5 Lakh. The extra ₹5 Lakh is treated as a brand new policy. It will have its own fresh waiting periods for pre-existing diseases. For example, if you have a thyroid condition, it might be covered immediately for the first ₹5 Lakh, but you will have to wait for three or four years before you can claim against the additional ₹5 Lakh. Always read the fine print on these upgrades.

Hidden Room Rent Caps

A policy might look cheap because it has a room rent cap. Some plans limit room rent to 1% of the sum insured. On a ₹5 Lakh policy, that is only ₹5,000 per day. In a city like Mumbai or Bangalore, a private room in a top hospital can easily cost ₹10,000 to ₹12,000. If you have a cap, you pay the difference of ₹5,000 every single day out of your own pocket. This also triggers proportionate deductions, meaning the insurer will cut your doctor fees and surgery costs by the same ratio. Check if your preferred local hospitals are still on the cashless network of the new company. You can use platforms like OneAssure to compare these network lists before you finalize your switch.

What Happens if You Are Rejected

The new insurer has 15 days to give you a decision once they have all your medical data. If you are over 35 or have a chronic condition, expect a medical checkup. If they reject your porting request, do not panic. Your old policy is still valid. You can simply renew with your existing company as long as you do it before the expiry date. To make the process smooth, keep your last three years of policy documents ready. Be 100% honest about any new health conditions. If you hide a recent high blood pressure diagnosis, the new company can reject your future claims for non-disclosure. Honesty is the only way to ensure your hospital bills actually get paid.

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