BSNL — Not able to get connectivity

I have got BSNL broadband connection through my phone no 27665167 and i am using broad band connction for my personal and official work through broadband. I can get the internet connection with the correct manner but i could not able to access my official VPN connection from BSNL broadband.

kindly check the setting in the broadband to access the VPN(Virtual Private Network).

thanking you,

s mohanasundaram