Dude..it might sound rude, but always try the company site first, then google and then post a question here..!!
Company site: *ap.viewsonic.com/in/buy/
Google results:
*www.priyagroup.com/ithome/contact/karnataka.shtml#bng
Priya Limited ( Bangalore )
No.49/1, Shankar Mutt Road,
Shankarapuram,
Bangalore - 560 004