Get Flat Rs 99 Cashback on Jio Recharge (First Recharge). Jio Recharge Offer Get Rs 99 Cashback on Jio Recharge of Rs 309 or more. It Should be your First Prepaid Recharge. Offer valid from Aug 14, 2017 to Aug 19, 2017. The offer has been extended to Aug 31,2017. Offer valid only if you pay through Pay balance Only. So Hurry up !! Cashback will be credited to your pay balance account within 7 days of recharge.