First of all they don't pick your call and if they pick somehow these people shout on you when you ask them for the timely delivery of your consignment. I am thinking of filing a formal complaint on these guys because of their inhuman & unprofessional behavior.
They are in service industry and they have recruited such illiterate people who don't even know how to talk to the customers. I wonder how long they will survive in this competitive market with such lousy service.
Unfortunately somebody else has sent that courier to me; I have not booked the same. I highly recommend you to use some other courier services rather than these unprofessional like BLAZEFLASH.
I will never use or recommend their services to anyone and also I am writing this issue online to as many websites as possible.