I agree. It just doesn't makes any sense
This is what it says:
The 40 discount coupons of Rs. 150 each, that are received in your MyJio App, by performing a successful Jio recharge of Rs. 999, on or after 28th July 2020, can be applied one at a time, against subsequent Jio recharges of Rs. 999, via MyJio app only. The discount coupons, if unused, will expire by 30th Oct 2029
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