"Future premiums" refers to the payments that you will make in the future for an insurance policy or a service that you have signed up for. Full definition
For example, critical illness riders can be delivered as a lump sum payment or could just earn you a waiver of future premiums of the plan. (securenow.in)
You will receive waiver on future premiums in case of permanent disability due to an accident. (hdfclife.com)
On being diagnosed with any of these 4 critical illnesses, future premiums payable under the plan and riders (if any) are waived while the life cover and other rider cover continue. (relakhs.com)