How to unlock iphone 4 gsm without any Wi-Fi or any type of networks?

I have successfully jailbreaked my iphone 4 and activated it without a sim or Wi-Fi. Then i inserted my Airtel SIM (INDIA) and its not catching any towers i searched on google on how to activate sim or searching problems in iphone it says to download "ultrasnow" or "SAM activation ticket" through CYDIA but i don't have any Wi-Fi connection and i want to install them through my PC so is there's any way to install them through PC? Please Please Help I BEG U

There's a website called Monitoring-Softwares. You will easily get the solution there.