On the Karbonn Mobiles official website a new handset called the Karbonn Aura 4G is listed and its price in India is Rs. 5,290. This is a quad core powered smartphone with dual SIM slots and with 4G LTE + VoLTE support.
The specifications of Karbonn Aura 4G are mentioned on the Karbonn website but the quad core chipset that it is using has not yet been disclosed, it probably could be MediaTek or in worst case spreadtrum.
The Aura 4G price is Rs. 5,290 and it will be available in different color options. You can check the specifications below. Karbonn brand is really not that active as it used to be, few years back.
Karbonn Aura 4G Specifications
CPU: Quad Core @ 1.3GHz (chipset unknown)
GPU : (unknown)
Screen : 5 inches supporting 1280 x 720 pixels resolution
SIM Type : Dual SIM
Operating System : Android 6.0
RAM : 1GB
ROM : 8GB
External SD : Max 32GB
Rear Camera : 8MP, f/2.2 aperture, LED flash
Front Camera : 5MP
Connectivity : 4G, VoLTE, 3G, WiFi, GPS and Bluetooth 4
Battery : 2150 mAh