No, All bundled free benefits are available on 30 day period in prepaid and cannot be accumulated.
At the lapse of each 30 days period, you will be auto credited for the Free bundled offer for the next period.
On postpaid all benefits are available for each bill cycle. Any unused Voice Minutes or Data or SMS will lapse each month on the last day of the billing cycle. At the start of next bill cycle, the full benefit will be credited to your account automatically.
Above benefits will lapse after 6 cycles.