Avail Flat Rs.50 Cashback on IDEA Recharge and Bill Payments of Rs.399 or more. 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 IDEA users. Promocode is valid only on new numbers that have never been recharged/bill paid. Cashback will be credited within 24 hours of the successful transaction into user's Account.