RechargeItNow — I typed wrong number while recharging

I was trying to recharge my mblaze ultra but i typed the wrong number. I request you to either refund my money 499 or let me change the number and get my internet balance. I typed an unvalid number yet i was charged. By mistake i typed the e. G. [protected] as my number. I was not alert while making the payment online. While typing the same e. G. No. [protected] i should have been warned at least that it's not my number or is unvalid.