indian's have to be the laziest people on earth... it's called google... use it!!
Or
Get one of your servants to do it for you!

If your just new.. you can just learn, like everybody and google it.

Nah, just joking!!
well the first thing you need to do, is find out what software the vpn server is running... then you can follow this link:
http://lmgtfy.com/?q=maemo+vpn

N900, has no official VPN support, so it's all a big hack to get vpn running!