If you have a Kaspersky product (Kaspersky Internet Security or Kaspersky Anti Virus), you can update it to the latest 2013 version for free.
Key Features Kaspersky Internet Security 2013
Safe Money - adds even stronger security for online banking and shopping
Secure Keyboard protects the personal data you enter via your keyboard
Improved Parental Control
Improved New anti-spam module
Improved anti-phishing protection
Automatic Exploit Prevention
Reduced Battery Drain
interface Improved
Improved Quick launch of Virtual Keyboard
Key Features Kaspersky Anti-Virus 2013
Better anti-phishing protection
Automatic Exploit Prevention
Improved Minimal impact on PC performance for a range of usage scenarios
Reduced Battery Drain
You can download the versions
Kaspersky Internet Security 2013 - Download from here
Kaspersky Anti Virus2013 - Download from here
Kaspersky India shows the Kaspersky Internet Security 2013 and Kaspersky Anti Virus2013 on the store while the global website shows it only on the product update section not on store. You can buy a 2012 version and can easily upgrade it to Kaspersky Internet Security 2013 or Kaspersky Anti Virus2013.