What is open enrollment in group health insurance?
Open enrollment is a set period each year when employees can make choices about their company's group health insurance. Your company and its insurer decide the dates and the rules.
Here's the background. Your employer buys one policy, called a master policy, for all eligible employees. In many companies, the employer pays for your own cover. So you may already be covered when open enrollment starts. The window is your chance to decide what else you want: which family members to cover, and which optional extras to add. If you want to read how group policies work in general, IRDAI explains it on its policyholder portal.
Open enrollment is different from the enrollment you do when you join. Joining enrollment happens once, when you start, and its job is to get you onto the policy. Open enrollment happens every year, usually around renewal, and its job is to review and change your cover for the next policy year. Every eligible employee gets it, not just new hires.
During open enrollment, employees can typically:
- Enroll in the group health insurance plan, if joining isn't automatic at your company.
- Add or update eligible dependents, like a spouse, children, and sometimes parents.
- Select available top-up or optional benefits.
- Review changes to coverage for the upcoming policy year, like a new sum insured, a new insurer, or new limits.
Not every company offers all of these. Your HR note will tell you which ones you have. If a term is unfamiliar, Pazcare's insurance glossary explains most of them in plain language.
When does the group health insurance enrollment window open?
Your company sets the window. Most group policies run for one year, so the window usually opens a few weeks before the policy renews. There's no single national date. A company whose policy renews in April might run its window in March. One that renews in October might run it in September.
HR usually announces it by email or on the HR portal, with a start date, an end date, and a link or form. If your renewal is close and you haven't heard anything, ask HR. The earlier you ask, the more time you have.
How to enroll in group health insurance during open enrollment
- Read what HR shares: Look for the policy summary, the sum insured, who counts as a dependent, the optional benefits, and the dates. Ask for the Customer Information Sheet too. IRDAI requires insurers to provide it to members of a group policy, and it explains the cover in simple words.
- Gather your family's details: You'll need full names, dates of birth, and the relationship to you. For new additions, you may need a marriage or birth certificate. Keep names and dates exactly as they appear on ID proofs. A mismatch is a common reason claims get delayed later.
- Confirm your own enrollment: If the company covers you automatically, check that your details are right. If you have to opt in, do it now.
- Add or update dependents: Add new ones, remove anyone who's no longer eligible, and fix any mistakes in names or dates of birth.
- Choose optional benefits: This could be a top-up, a higher sum insured, or parent cover. Check the cost shown before you decide.
- Review the coverage for the new year: Compare it with last year: sum insured, room rent limits, co-pay, network hospitals, and whether the insurer or TPA has changed.
- Submit before the deadline and keep proof: Take a screenshot or save the confirmation email. Late forms are usually not accepted.
- Check your confirmation: Once the insurer processes your changes, check that your family is listed, the sum insured is right, and download your new e-card.
What should you check before enrolling?
A few questions save a lot of trouble later.
- Who counts as a dependent? Spouse and children are usual. Parents and parents-in-law depend on your company's policy. Children often have an age limit.
- Are parents covered, and how? Parent cover is often optional and paid by you. The cost often depends on your parents' ages.
- Is the sum insured per person or shared? Some policies give each person their own amount. Others share one amount across the family.
- Do waiting periods apply to the people you're adding? Group policies often waive them for existing members. People added at open enrollment may be treated differently, so ask.
- What are the room rent limit and co-pay? Choosing a room above the limit, or having a co-pay, means you pay part of the bill.
- Are there network hospitals near you and your family? Cashless works only at network hospitals. If your parents live in a different city, check hospitals there too.
- What's covered for maternity and newborns? This matters if you're planning a family.
- What happens when you leave the company? Cover under your employer's group policy generally ends when you leave. Ask HR what options exist.
- Do you need to share health details? Usually not for standard enrollment. It may be asked for a higher sum insured, for parents, or for older members.
What happens if you miss the open enrollment deadline?
You usually can't make routine changes until the next enrollment window. That means you can't add a family member, pick up a top-up, or change your cover until the next cycle. For a spouse or parent, that can mean months without group cover. There are exceptions, depending on your company's rules:
- New joiners usually have their own enrollment deadline, separate from the yearly window.
- People with a qualifying life event, like marriage, the birth of a child, or adoption, often get a window to add the new family member. It's commonly a set number of days after the event, but your policy decides.
Some insurers may accept a late addition with approval, but it isn't guaranteed, and it may come with extra checks. If you've missed the date, talk to HR right away instead of assuming it's too late.
What does it cost you during group health insurance enrollment?
Your employer usually pays for your own base cover. What you pay depends on what you add. Here's how it commonly works:
| What you add |
Who usually pays |
Notes |
| Your own base cover |
Employer |
Often included for all eligible employees |
| Spouse and children |
Employer or you |
Depends on your company's policy |
| Parents |
Usually you |
Premium often depends on their ages |
| Voluntary top-up |
Usually you |
Gives extra cover on top of the base sum insured |
| Higher sum insured tier |
Usually you, for the extra amount |
Only if your company offers tiers |
The amounts come from the insurer's rates for your group, so they differ between companies. Many employers deduct your share through payroll. Before you confirm, ask to see the exact yearly amount per person and whether it includes GST. The Ministry of Finance's Department of Financial Services has confirmed that group health insurance continues to be taxed at 18% GST, even though individual health policies were exempted from September 22, 2025.
If you pay for your parents' cover yourself, ask a tax advisor whether you can claim a deduction. It depends on your tax regime and how you pay.
Open enrollment vs. new employee enrollment
|
Open enrollment |
New employee enrollment |
| When it happens |
Once a year, usually a few weeks before the policy renews |
Soon after you join |
| Who it's for |
All eligible employees |
Employees who join during the policy year |
| Deadline |
Set by your company for everyone |
A separate deadline, often a set number of days from your joining date |
| What you can do |
Review cover, add or remove dependents, pick top-ups, change tier if offered |
Enroll yourself, add eligible dependents, and choose optional benefits available at joining |
| When cover starts |
Usually from the start of the new policy year, or the date the insurer confirms |
Usually from your joining date, or as your company's rules say |
| Documents |
Dependent details, ID proofs, any new declarations |
The same, plus your joining details |
| Should you wait for the other one? |
No. Use the window you're given |
No. Don't assume you must wait for the annual window |
If you join in the middle of the year, don't wait for open enrollment. Ask HR in your first week what your deadline is. Your new-joiner window may close long before the next yearly one opens.
How Pazcare helps with group health insurance enrollment
Enrollment goes better when the process is simple and the data stays accurate. Pazcare helps companies run it online, so it's less about chasing forms and more about getting people covered.
- Online enrollment, synced with HR systems: Additions and deletions flow through the platform instead of spreadsheets.
- Insurance details in one place: Employees can find their policy information in the Pazcare app.
- Help beyond enrollment: The claims team supports employees and HR when a claim needs follow-up.
Shraddha Shikhare, a Pazcare customer, described the experience as "hassle-free and quick onboarding of employees into the medical service and queries resolved asap." Shreya Roy said, "Additions and deletions have become extremely easy and seamless."
Talk to a Pazcare group health insurance expert to see how enrollment could work for your team, or explore Pazcare's group health insurance.