China Taiping i-Secure Legacy is the only whole life protection plan (as of time of post) in the market to offer lifetime Guaranteed Benefit of up to 4x of basic sum assured for Death & Critical Illnesses. It offers choice of premium payment term of 5, 10, 15, 20 or 25 years. Through its AdvancedCare and EarlyCare optional riders, up to 161 medical conditions may be covered.
Some things to note. This post will get dated. And the product might not be available for new subscriptions at some point. Hopefully this serves as reference for future policyholders who have forgotten what they have taken up.