You can contact me by:

email: devadutta@devadutta.net

If you have been watching too many spy movies lately or if you are just paranoid or if you have something really really super important to send me, you can use my gpg public key and encrypt it.

orkut: profile link
Yahoo!: Mail me on the ID above, and I will give it to you.

Jabber: devadutta@devadutta.net
Other methods like morse code, smoke signals et al can also be tried. Addressing scheme is yet to be decided.