Mysore/Mysuru: Maintaining that Gurus who mould the future of students are hard to come by, noted theatre artiste Arun Sagar opined that it is very difficult to find Gurus such as B.V. Karanth and acclaimed writer Dr. S.L. Bhyrappa. He was speaking after launching ‘Bharatiya Ranga Sangeetotsava’ (Sept. 19 to 24) organised as part of…