Major specs and feature of Lumia 510 as indicated by the product page are,
- 4 inch screen
- 800 x 480 screen resolution
- 5 MP AutoFocus Camera
- 129 gm weight and 1.5 mm thickness
- Available in 5 color options
- 4 GB in-built memory
- 256 MB RAM
- 1300 mAH Battery
- WP7.5 Mango Operating System
- GPS enabled
Want ro read more, head on to the Product page.
In case if you are interested in knowing the launch timing and price, it is tipped to be launched with 2-3 weeks from now and will be priced below 11000 INR officially. But, as it happens on-line retailers are expected to sell it at a price close to 10000 INR.