Welcome Chitan.
Just folow these simpe steps to create a dialer for Dataone
1:Open a Terminal(Applicatin>Accessories) and enter
2: Enter YOUR password when prompted.
3:Enter the details one by one, Dataone Username should be username@dataone without the .in
4:Just accept the default values and select "No" when asked to dial on boot up.
5:To connect : Open a Terminal and enter
6:To disconnect open a Terminal and enter
To connect/disconnect the alternative is to create 2 Launchers(Shortcuts) on the Desktop.
7:Creat Launchers on your Desktop: Right-click on Dektop and select "Create Launcher".
8:Give it a proper name like "Connect to Net" and enter
pon dsl-provider in command option. Similarly create another launcher, name it say "Disconnect" and enter
poff -a as command option.
Now to connect double click on "Connect" Launcher and to disconnect double-click on "Disconnect" launcher.
Hope this is easy and lucid to understand!!