Extended Cumulative Bonus (ECB) is an additional cover that offers added cumulative bonus for claim free years. This is over and above any normal cumulative bonus that may be a standard benefit in your health insurance plan.
Cumulative Bonus is a benefit that increases the Sum Insured by 5% or 10% every claim free year with no additional premium. Usually, this is restricted to a continuous period of maximum 5 Years or a maximum of 50% of SI.
Extended Cumulative Bonus (ECB) is an additional cover that offers cumulative bonus of 20% to 50% of SI, over an above Cumulative Bonus for every claim free year. This is usually restricted to a maximum of 100% addition to SI.