sent coupon code r try use made invalid raise ticket dig deep know happening got reply detected suspicious activity account maybe detected trying use code sent unbelievable deleted app along information thank reverting certainly understand concern please informed fraud prevention security control measure put automated transaction rule restricts unwarranted misuse account feature hence not able avail benefit offer continue making bill payment recharge however not able use promo code understanding matter highly appreciated happy freecharging customer success team blocked using code mentioned pay bill wanted restrict unwarranted misuse lol