The Build 2013 keynote will begin at 9 am PT (which is 9:30 pm in India) today and can be viewed over on Channel 9.
Apart from launching Windows 8.1 Preview, Microsoft will share the latest updates and talk about what’s next for Windows, Windows Server, Windows Azure, Visual Studio and more in Build 2013, which takes place at the Moscone Center in San Francisco starting today until June 28. Additional event information will be available at https://www.buildwindows.com/.