SnapDeal has discounted 3TB Western Digital Elements Desktop Hard Disk to Rs. 8200. Features WD quality inside and out, Preformatted for PCs, Plug-and-play simplicity, Earth-friendly packaging & Designed to save power.
Buy: 3TB Western Digital Elements Desktop Hard Disk | More External Hard Drives
It is USB 2.0 version. USB 3.0 is a lot better.