This book contains the Ph.D. thesis data of gamma, Radon, Thoron and their progeny concentrations in the indoor environment of Gogi region, which covers the 05 villages within the 5km radius of Uranium mining area of Gogi Village, Yadgir District, Karnataka, INDIA. The study was carried out in the year 2014 under the BRNS-MRP project sanctioned to Prof. B R Kerur, Professor, Department of Physics, Gulbarga University, Kalaburagi.