Steps -:
1)don't use any custom apn setting at first
2)first send msg MO To 121 & use that setting
3)use Rs 23 Unlimited validity data plan.data not really required.try to active any data pack even in 0.00 Mb
==>>Now download latest version of webtunnel from google play store
create this setting on webtunnel VPN
use any free server (*ca Server recommended*you can use any free server)
==>>put this on proxy section
202.87.41.147 (new host)
choose FASTEST HTTP:2
stuck on authentacating??,change it to FASTEST HTTP:1**change if needed**
now connect and enjoy.