Health Insurance

Aditya Birla Activ One vs Star Comprehensive 2026

Aditya Birla Activ One Max vs Star Comprehensive 2026: CSR, premiums, NCB, network hospitals, and claim experience compared.

Harsh Soni
Written by
5 min read
Updated 2 April 2026
Two plan cards balanced against one another
Key takeaways
Aditya Birla Activ One Max leads on claim ratio and complaint volume against Star Comprehensive.
Activ One Max offers a richer feature set including chronic-condition management from day one.
Star's advantage is network reach and an in-house claims team rather than a third-party administrator.
Compare on the variant you would actually buy, since both insurers sell several tiers under one name.

Aditya Birla Activ One Max vs Star Health Comprehensive: Which is Better in 2026?

Aditya Birla Activ One Max and Star Health Comprehensive represent two different philosophies in health insurance. Aditya Birla has stronger claim metrics - higher CSR (96.5% vs 89.3%) and better NCB structure. Star Health brings a larger hospital network (14,000+ vs 13,000+) and deep market presence as India's largest standalone health insurer.

The CSR gap of about 7 percentage points is the biggest differentiator in this comparison. Aditya Birla settles roughly 97 claims in 100; Star settles about 89. That's a meaningful difference when you're filing a claim.


Head-to-Head Comparison

FeatureAditya Birla Activ One MaxStar Comprehensive
InsurerAditya Birla Health InsuranceStar Health & Allied Insurance
CSR96.5%89.3%
Complaints / 10K Claims18.253.9
Room Rent LimitNo LimitNo Limit
Disease Sub-limitsNoneNone
Co-paymentNilNil (up to age 60)
Pre-hospitalization90 days60 days
Post-hospitalization180 days180 days
RestorationUnlimited100% (same illness)
No Claim Bonus100% p.a. up to 500%25% p.a. up to 100%
Chronic Disease ProgramYes (diabetes, BP, asthma)No
Network Hospitals13,000+14,000+
Day Care Procedures500+700+
Annual Health Check-upIncludedIncluded

Premium Comparison

Annual premiums, individual plan, non-smoker, Tier-1 city:

Sum InsuredAditya Birla Activ One MaxStar ComprehensiveDifference
₹5 Lakh₹6,600₹5,200Star 21% cheaper
₹10 Lakh₹10,500₹7,800Star 26% cheaper
₹25 Lakh₹15,100₹12,500Star 17% cheaper
₹50 Lakh₹21,500₹18,000Star 16% cheaper

Star is the cheaper plan at every sum insured. What Aditya Birla charges more for is the absence of a room-rent cap and disease sub-limits, a materially better claim record, and a bonus that builds five times as fast.


Where Aditya Birla Wins - And It Wins Big

1. CSR: 96.5% vs 89.3%

CSR is among the most important metrics in health insurance. Aditya Birla's 96.5% means a higher approval rate, while Star's 89.3% reflects its larger volume of claims processed across a more diverse plan portfolio.

2. Complaint Ratio: 18.2 vs 53.9

Aditya Birla has a lower complaint ratio (18.2 vs 53.9 per 10K claims). Star processes a much higher claim volume as the largest standalone insurer, which contributes to the higher absolute complaint numbers.

3. NCB: 100% vs 25%

The no-claim bonus difference is dramatic:

YearAditya Birla (₹10L start)Star (₹10L start)
Year 1₹10L₹10L
Year 2₹20L₹12.5L
Year 3₹30L₹15L
Year 4₹40L₹17.5L
Year 5₹50L₹20L (capped)
Year 6₹60L (capped at 500%)₹20L

After 5 claim-free years, Aditya Birla gives you 3x the cover of Star, for roughly a quarter more premium.

4. Chronic Disease Management

Aditya Birla includes a built-in program for managing diabetes, hypertension, and other chronic conditions. This includes monitoring, coaching, and premium incentives for health improvements. Star offers no equivalent program.

5. Best Pre-Hospitalization Cover: 90 Days

Aditya Birla covers expenses incurred up to 90 days before hospitalization, matching the most generous pre-hospitalisation window on the market. Star covers 60 days. For conditions requiring extensive pre-admission diagnostics (cancer, cardiac), this matters.


Where Star Health Wins

1. Larger Network - 14,000+ vs 13,000+

Star Health has approximately 1,000 more network hospitals. The difference is most noticeable in Tier 3 and rural areas where Star has deeper penetration as India's oldest standalone health insurer (operational since 2006).

2. More Day Care Procedures - 700+ vs 500+

Star covers 200 more day care procedures. While the most common ones (dialysis, cataract, chemotherapy) are covered by both, Star has a wider list for niche treatments.

3. Market Presence and Brand

Star Health has been operational since 2006 - nearly a decade longer than Aditya Birla Health (20156). This means deeper hospital relationships and more established claim processes at many hospitals. Some hospitals process Star claims faster simply because they're more familiar with the insurer.


The Verdict Is Clear

MetricWinner
CSRAditya Birla (96.5% vs 89.3%)
Complaint ratioAditya Birla (18.2 vs 53.9)
NCB growthAditya Birla (100% vs 25%)
PremiumAditya Birla (equal or cheaper)
Pre-hospitalizationAditya Birla (90 vs 60 days)
Chronic managementAditya Birla
Hospital networkStar Health (14,000 vs 13,000)
Day care proceduresStar Health (700 vs 500)
Market experienceStar Health (since 2006)

NYVO Verdict

Aditya Birla Activ One Max is the better plan for most buyers. It wins on every metric that matters for claim experience - CSR, complaint ratio, and NCB - while being equal or cheaper on premium. The hospital network gap (1,000 fewer hospitals) is marginal and matters only in Tier 3/rural areas.

Consider Star Health only if: You live in a small town where Star has established hospital tie-ups over its longer operating history. Verify network hospitals in your specific city before deciding - Aditya Birla's 13,000+ network covers most cities well.


Back to: Best Health Insurance Plans 2026 | Health Insurance Guide

FAQs - Aditya Birla vs Star Health

Why is Star Health's CSR so much lower than Aditya Birla's?

Star Health processes significantly more claims by volume (as the largest standalone insurer), and their older plan portfolio includes plans with sub-limits that generate more rejections. Aditya Birla's newer plan portfolio is cleaner with no sub-limits.

Is Aditya Birla Health Insurance reliable for large claims?

Yes. With a 96.5% CSR and only 18.2 complaints per 10,000 claims, Aditya Birla is among the most reliable private health insurers in India.

Can I port from Star Health to Aditya Birla?

Yes, through IRDAI-mandated portability at renewal. Waiting period credits transfer. Read portability guide.

Which is better for a family floater - Star or Aditya Birla?

Aditya Birla - better CSR, better NCB, lower complaints. The network gap is marginal for metro families.

Does Star Health's larger network really matter?

For metro residents (Mumbai, Delhi, Bangalore, Hyderabad), both have extensive networks and the difference is negligible. For Tier 3 cities and smaller towns, verify Star's vs Aditya Birla's specific hospital tie-ups in your area.

Source: Claim and complaint ratios are a weighted average of the last three financial years, latest available as of March 2026, from IRDAI's published data.

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Harsh Soni
Founder & Principal Officer

16+ years in financial services. Former investment banker at Bank of America, Kotak Investment Banking, and SBICaps, and ex-CFO of slice. Founder of NYVO and Principal Officer - IRDAI Certified.

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