Panasonic phones in Kerala Panasonic India has launched GD31 and GD21 phones in the Kerala market. The GD31 falls in the category of a smart feature phone offering extended battery life and security features such as mobile tracker, security inbox and application privacy. Manish Sharma, Managing Director, Panasonic India, said that GD21 comes with an inbuilt audio and video player. Pankaj Rana, Business Head, Smart Phones and Tablets, said the phones are available at ₹2,190 (GD31) and ₹1,790.