Critical illness

What is it

This pays a lump sum the moment you're diagnosed with a covered illness (cancer, heart attack, kidney failure, etc.) — regardless of your actual hospital bill. It's meant to cover the income you'll lose while recovering, not the treatment cost itself (that's health insurance's job). Think of it as a shock absorber for your income, not your hospital bill.

Critical illness cover grew as a distinct product category as lifestyle diseases like heart conditions and certain cancers became more prevalent among younger working Indians, creating demand for income-replacement style cover that regular hospitalisation insurance doesn't provide.

Who it's best for

Anyone whose income would stop or fall sharply during a long illness like cancer or a heart condition, on top of hospital bills.

Who should avoid it

You already have strong income-replacement cover (disability insurance) and a large emergency fund — cover may be redundant.

Pros

• Lump sum paid on diagnosis, not on discharge — money arrives when you need it most
• Can be used for anything: lost income, alternative treatment, travel for care
• Complements (not duplicates) regular health insurance

Cons

• Only pays out for a defined list of illnesses — anything outside that list gets nothing
• Survival period clauses (e.g. must survive 30 days post-diagnosis) can exclude some claims
• Can be bought as a rider on life insurance or standalone — pricing and terms vary widely

Key ratios to check