Your age: The earlier you start the higher should be your Sum Insured as the number of years left would require a greater safety net.
Your Life stage:: Based on the life stage you are in, for instance, if you are going to get married or start a family etc, your Sum Insured should factor in the healthcare expenses associated with it.
Health Conditions: If you have a history of medical condition in your family, your Sum Insured should factor in the possibility of an unforeseen health condition in the future
Dependents in the family: If you are planning to take a floater policy with your family members, the Sum insured should take into account the needs of each member and the future healthcare expenses for them.
Lifestyle and personal habits: The kind of job, eating habits, stress levels and other personal habits shows the way for an individual’s future healthcare needs. While choosing a Sum Insured these should be thought through too.