Nokia Lumia 510 that was announced last week in India is priced at online retailer Flipkart and is available for purchase for Rs. 9999. It is the most affordable Windows Phone device till date, pushing the Lumia 610 to the second place. It has a 4-inch (800 x 480 pixels) TFT capacitive touch screen display and runs on Windows Phone 7.5 OS, which is upgradable to Windows Phone 7.8. It is powered by a 800 MHz Snapdragon S1 processor and comes with a 5MP auto focus camera with VGA video recording at 30fps.
Other features include, 3G, WiFi 802.11 b/g/n, Bluetooth 2.1 + EDR, GPS/A-GPS, FM Radio, 3.5mm audio jack, 256MB RAM and 4GB internal memory. It has a 1300 mAh battery. It has access to social networks, which includes Facebook, Twitter, LinkedIn and comes with 3 months unlimited Nokia Music and Mix Radio.
[Update: Lumia 510 is now available from Saholic too for Rs. 9999.]
[Update 2: Looks like Flipkart has increased the price, they are now selling the Lumia 510 for Rs. 10290, but Saholic is selling for the same price.]
Thanks to Murtuza Rupawala and Goutham dr for the tip!