It is an insurance benefit where Cigna TTK Health Insurance pays the maximum amount for payments during your lifetime. Example:Rajs son is suffering from multiple sclerosis. The approximate cost to care for him would be around Rs. 70,000 a month for drugs which need to be injected every alternate day. A lifetime maximum includes all care, including for maximum benefit. Raj was wise enough to go for a higher lifetime maximum limit which considerably reduced his expenses.