在cleartrip上预订印度国内火车票，预订不成功但已扣款，请问如何解决？

我已经在cleartrip上预订成功了一张火车票。但昨晚在预订另外三程火车票时，网站全都说预订不成功，但信用卡已扣款，并给我的注册邮箱连发三封内容一样的邮件，告诉我三程都没预订成功，要我在接下来的15分钟内致电他们了解后续结果。我当然不可能随便打国际长途去问，但直到今天中午也没有收到新邮件，而且查询预订结果也无果，请问这个该怎么办？难道只能打电话去交涉？
附邮件：
Booking Failed

We're very sorry, but we were unable to confirm your Patna-NEW JALPAIGURI one-way trip and you have been charged Rs. 628. Please do not panic – We are trying to confirm your booking. If the confirmation does not happen, we will refund the amount you have paid. Please call us in the next 15 minutes to know the latest on your booking. For any assistance please call(7 AM to 10 PM - Indian time): 91 22 4130 0300 (standard STD / local charges apply), 1860 233 9000 (Local Call from anywhere in India).

Payment details
We have charged you Rs. 628, details of which are given below. Please do not panic. If your booking is not confirmed, we will refund your money completely.