Royal escort agency - Lost money in fraud agency

I purchased a escort service from Gandhinagar, and I paid the different charges to avail the service agreed-upon fee of paid in small different amounts. However, after paying the fee, they they asked for another fee so I cancel the service but they asked me to pay the fee then they will proceed the refund so I I purchased a escort service from Gandhinagar, and I paid the different charges to avail the service agreed-upon fee of paid in small different amounts. However, after paying the fee, they asked for another fee so I cancel the service but they said me to paid the fee for refund so I paid the fee but the say I have to pay the fee twice then they will refund the my total amount but I am not able to paid the fee which they demand so they are asking me to pay remaining fee then and then they will process for my refund