Hi airtel customers here you can get the great mobile office trick for life time gprs but one importent news the proxies are refresh once a month but the certificate never block by airtel there proxies are have a strong wallet so don't worry just save these bookmarks and get the server certificate instantly enjoy free gprs on airtel live its working 101% no death for this proxy addresses there are recommended by me (SiD) Proxy address:

https://proxyfast.biz
https://acmeserv.com
https://unjam.info
https://crackedrain.com/dahr.php?=
https://proximize.me
https://crackedrain.com
https://fire-proxy.com