Term insurance is the simplest and purest form of life insurance. ... With term insurance, you can get a large amount of life cover (i.e. sum assured) at a relatively low premium rate. The benefit amount is paid out to the nominee in case of death of the person insured during the term of the policy. 

• A critical illness rider is an optional add-on feature that can be bought to compliment the life insurance policy. It ensures that a lump sum (Sum Assured) is paid to the policyholder if he or she is diagnosed with any of the critical illnesses specified -inthe policy. 
•  Accident Death benefit rider -During the policy term, if the insured passes away due to an accident, this rider pays an additional sum assured. ... The rider simply promises an additional sum, over and above the basic sum assured, in case of the policyholder's demise due to an accident. 
•  Waiver of Premium Rider is one of an optional additional coverage which is popularly opted along an insurance policy. Waiver of premium rider is a very unique rider, this rider waives off all the future payable premiums in case the life assured becomes physically disable.