Paytm Mobile Solutions — same recharge done thrice

Address:

Mandsaur, Madhya Pradesh, 458990

Had done my recharge on 10.11.2017 at 10:59 of idea no.[protected] for rs. 449 & on same time recharge repeat two more time and deducted extra rs. 898 from my paytm wallet (Registered with [protected]).
This is the recharge only valid for 70 days with unlimited call which i will get with first recharge but what about next two recharge. Can u please extend this to next 140 days or give my money back. I had contacted in your customer care and they are denying to refund the amount, also when i asked for escalation of same they have given me one contact number which is not in active state as on now.