Moved to appropriate forum...
As per this advice:
http://forums.windowscentral.com/ask...ion-forum.html WC members are free to post in all areas of the board. Please use Ask a Question only for time critical help issues that affect the immediate functionality of your device.
Lumia 928 will get 3G/H+ in India and the SIM tray is unlocked.
It will still require Verizon USA to push the upgrade to 10 so we have no idea when and if that will happen. No one can say at this point.
Also it is not clear if Insider or Preview programs will be enabled after 10 hits to allow users to bypass carrier stubbornness.