Get Flat Rs 50 Cashback on Rs.399 or above Jio Sim Recharge. Minimum transaction amount must be greater than or equal to Rs 399. Maximum Cashback amount that can be earned is Rs 50. Click “Proceed to Pay/Recharge” and enter in “Have a Promocode?” section. Promocode can be used only once per user and once per number. Promocode is valid only for JIO users. Promocode is valid only on new numbers that have never been recharged/bill paid before. Cashback will be credited within 24 hours of the successful transaction into user’s Account.