Along with Lumia 720, Nokia has also launched Lumia 520, the cheapest Windows Phone 8 device in India, its the successor of Lumia 510. From look wise its very much similar to Lumia 620.
Lumia 520 comes with 4-inch WVGA IPS screen which has super-sensitive which allows you to use phone by wearing gloves, it is powered by 1 GHz dual core Qualcomm Snapdragon S4 Plus processor with 512 MB of RAM.
It has 8 GB of internal memory along with option of microSD card and 7 GB of free SkyDrive storage. at back it has 5 MP camera which can shot 720p videos, it has 1,430mAh battery. It comes pre-installed with lots apps.
It does not has NFC and front camera, For connectivity it has WiFi, micro USB, 3.5 Audio jack and Bluetooth. Its avaiable for Rs. 10,500/-