I have been using RCTC/VisaCenter for approximately 12 years and I keep coming back when I need a visa. They are competent, efficient and flexible; working always to find a solution that fits into my busy travel schedule when I can't be without my passport for an extended period.
Do not ever use this service. It is an website that looks like the official website of any country's consulate. They charged me $158 plus tax for just appointment booking service and it does not include the visa charges at all. I could book the appointment on Consulate's website for free.
Agency charges for police clearance 575 $, but they never pick up the phone and do not answer for voice mails.Once somebody picked up the phone,they do not provide clear information,they are not sure what they doing seems like, customer service is extremely rude,they should learn some simple manners.