Gahan Shastry, a Brown Belt Karateka from Pramathi Hill View Academy, Mysuru, won two gold medals (both Kata and Kumite categories) in the International Karate and Kobudu Championship organised by OSK Federation of India and Okinawa Shorin Ryu Karate-Do Federation of India at the National Public School in Bengaluru recently. Gahan, son of Dr Rohitha…