Invoicing in case of reward programs

No you cannot Issue a single Invoice for whole month. As per Section 31CGST Act The registerd per can issue a consolidated Invoice for a DAY only for those invoices which are below 200/- & 2ndly the Recepient is URD & he does not require invoice


Now As per section 13 CGST Act , if such point which is redeem is identifiable , means the supply of goods is known or for eg. Recepient knows that he will getting so on so product in that case the supply is to be considered on the date such points/voucher being issued & the invoice should be raise on the same date
Else the supply will be considered on the date of redemption of Voucher