How do I sync my Contents from my PC to my IPOD Touch ?

It depends upon what mail provider you use. You might not be able to sync but you should be able to set up the Mail app on the iPod to to acces your account.

If it is an IMAP or Exchange account those account synce among different devices. If yo have a POP3 account those do not sync.

iTunes 11 for Windows: Sync contacts, calendars, and other info with iPod, iPhone, or iPad