Freecharge Rs 75 Cashback Recharge Offer MAY75. Get 100% CashBack On Recharge Of Rs 75 Or More – FreeCharge (Selected Users). Freecharge is again come back with new and amazing offer where you will get 100% cashback on recharges and bill payment of Rs. 75 or more. Maximum CashBack is Rs. 75. Freecharge Rs 75 Cashback Recharge Offer MAY75. This offer is on First Trasaction. This means this offer is available for new users. So loot this one and keep visiting for more latest offers.