कोनार बांध कब व किस नदी पर बना ? - When and on which river was the Konar dam built? - Konar Bandh Kab Wa Kis Nadi Par Banaa ? Jharkhand Gk in hindi, भूगोल Damodar 1953 question answers in hindi pdf Konar 1954 questions in hindi, Know About Barakar 1952 Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book Inme Se Koi Nahi