Health insurance covers the whole or a part of the risk of a person incurring medical expenses. It can reimburse the insured for expenses incurred from illness or injury, or pay the care provider directly &  the benefits received are tax-free. Health insurance covers the cost of medical and surgical expenses incurred by the insured. The insured either has to pay such expenses out-of-pocket or is later reimbursed by the insurer or the insurance company settles the bill directly with the hospital 

Hospitalization Insurance– Covers the cost of treatment when you are admitted in the hospital. The payout is made on actual expenses incurred in the hospital by submitting original bills. It also covers pre and post hospitalisation expenses as per terms specified. 

Accident Disability Insurance: Gives you a lunpsum amount in case you have an accident or disability due to an accident based on severity of the loss. 

Critical Illness Insurance: Gives you lump sum amount in case you have any of the specified critical illness. This is irrespective of the amount spend on the treatment.